Indiana Income Tax Rates & Brackets (Tax Year 2025 — Filed in 2026)
⚠️Informational only — not legal or tax advice.
Tax year covered: 2025 (returns filed in 2026)
Applies to: Income earned January 1 – December 31, 2025
Returns filed: January – April 2026
Last verified: February 17, 2026
Table of Contents
- Quick Reference
- Key Takeaways
- Quick Questions
- Indiana Income Tax Rates and Brackets (2026)
- County Income Tax
- How Indiana Income Tax Works
- Statutory Authority
- Who Must File Indiana Income Tax
- What Income Is Taxable in Indiana
- Personal Exemptions
- Indiana Income Tax Deductions
- Indiana Income Tax Credits
- Filing Deadlines
- Filing Options for Indiana Income Tax
- Local Income Taxes in Indiana
- Special Considerations for Indiana Income Tax
- Tax Residency vs Domicile
- Documentation Commonly Requested in Residency Audits
- Military Personnel
- Retirees
- Students
- Part-Year Residents
- Common Tax Filing Situations
- Forms & Publications
- Where to Check for Updates
- Penalties and Interest
- Information Verification Log
- Resources
- Tax Glossary
- Update History
Quick Reference
Does Indiana have income tax? Yes
Tax structure: Flat rate
Tax rate: 3.0% (state) + county tax (varies by county)
Standard deduction: None (uses federal AGI with modifications)
Personal exemptions: $1,000 per exemption (additional exemptions available)
Local income tax: Yes – all 92 counties levy county income tax
Official source: https://www.in.gov/dor/
Key Takeaways
- Residents: Indiana residents pay 3.0% state income tax plus county income tax on income from all sources
- Non-residents: Non-residents pay Indiana income tax only on Indiana-source income
- Tax structure: Flat rate of 3.0% at state level; county rates vary from approximately 0.5% to 2.9%
- Local income tax: All 92 Indiana counties levy additional county income tax (mandatory statewide system)
- Reciprocity: Indiana has reciprocal agreements with Kentucky, Michigan, Ohio, Pennsylvania, and Wisconsin
- Primary forms: Form IT-40 (residents), Form IT-40PNR (part-year/non-residents)
- Rate reduction: State rate decreased from 3.05% (2024) to 3.0% (2025); will decrease to 2.95% in 2026
Quick Questions About Indiana Income Tax
What is the Indiana income tax rate for 2025? Indiana has a flat state income tax rate of 3.0% for tax year 2025. In addition, all Indiana counties levy county income tax ranging from approximately 0.5% to 2.9%, creating a combined effective rate of 3.5% to 5.9%.
Does Indiana have state income tax? Yes, Indiana has both state income tax (3.0% flat rate) and mandatory county income tax (rates vary by county).
What are the income tax brackets in Indiana? Indiana does not have tax brackets. The state uses a flat rate of 3.0% on adjusted gross income. County income taxes are also applied as flat rates specific to each county.
Is Social Security taxed in Indiana? No, Indiana does not tax Social Security benefits. Any Social Security income included in federal adjusted gross income is fully deductible on the Indiana return.
Does Indiana tax retirement income? Indiana generally taxes retirement income from pensions, 401(k), and IRA distributions. However, military retirement pay is fully deductible, and a deduction is available for federal civil service annuities (up to $2,000 for taxpayers age 62+).
Do I need to file an Indiana income tax return? Indiana residents must file if their gross income exceeds their total exemptions. Generally, this means filing is required if you must file a federal return.
Source: https://www.in.gov/dor/tax-forms/individual/current/
Indiana Income Tax Rates and Brackets (2026)
The following tax rates apply to income earned in 2025, reported on tax returns filed in 2026.
| Rate Snapshot | |
|---|---|
| Tax Attribute | Amount/Status |
| State Tax Rate | 3.0% |
| Lowest Combined Rate | ~3.5% (state + lowest county) |
| Highest Combined Rate | ~5.9% (state + highest county) |
| Tax Structure | Flat rate (state and county) |
| Number of Brackets | None (flat rate system) |
| State Income Tax | Yes |
| County Income Tax | Yes (all 92 counties) |
| Standard Deduction | None (uses federal AGI) |
| Personal Exemption | $1,000 per exemption |
| Additional Dependent Exemption | $1,500 per dependent |
| State Income Tax | |
|---|---|
| Indiana uses a flat state income tax rate applied to adjusted gross income: | |
| All Filing Statuses | |
| Income Level | Tax Rate |
| All taxable income | 3.0% |
Historical rates:
- 2024 tax year: 3.05%
- 2025 tax year: 3.0%
- 2026 tax year: 2.95% (scheduled reduction)
County Income Tax
All 92 Indiana counties levy county income tax in addition to state income tax. County tax rates are updated periodically (January and October of each year).
County Tax Rate Structure
County income taxes vary by county and can include multiple components:
- Certified Shares Tax – General county revenue
- Property Tax Relief – Funding for property tax reduction
- Public Safety – Law enforcement and emergency services
- Economic Development – Local development initiatives
- PSAP – Public Safety Answering Point (911 services)
| County Tax Rates (Selected Counties - Effective January 1, 2025) | |
|---|---|
| County | Combined County Rate |
| Marion (Indianapolis) | Varies by purpose |
| Lake (Gary) | Varies by purpose |
| Allen (Fort Wayne) | Varies by purpose |
| Hamilton (Carmel) | Varies by purpose |
| St. Joseph (South Bend) | Varies by purpose |
Note: County tax rates are complex and include multiple components. Each county’s total effective rate depends on which local income tax types have been adopted by that county.
Complete county rate schedule: https://www.in.gov/dor/files/dn01.pdf (Departmental Notice #1 – updated semi-annually)
Source: https://www.in.gov/dor/i-am-a/individual/individual-income-county-tax-rates-by-year/
How Indiana Income Tax Works
State Tax Calculation
- Start with Federal Adjusted Gross Income (AGI)
- Add required modifications:
- Interest from non-Indiana municipal bonds
- Certain business deductions claimed federally
- Other state-specific add-backs
- Subtract allowed deductions:
- Indiana municipal bond interest
- Social Security benefits
- Military retirement pay
- Renter’s deduction (up to $3,000)
- Property tax deduction (up to $2,500)
- Other Indiana-specific deductions
- Apply exemptions:
- $1,000 per personal exemption
- $1,500 per dependent exemption
- Additional $500 exemption if age 65+ (income limits apply)
- Calculate tax: Multiply result by 3.0%
- Apply credits (if applicable)
County Tax Calculation
County income tax is calculated separately:
- Based on county of residence as of January 1 of the tax year
- Applied to Indiana adjusted gross income
- Different county rates for residents vs. non-residents working in county
- Separate withholding and reporting on Form W-2
Source: https://forms.in.gov/Download.aspx?id=16915 (Form IT-40 Instructions)
Statutory Authority
State and county income tax in Indiana is authorized under the following legal framework:
Constitutional Authority:
- Article 10, Section 1 of the Indiana Constitution grants the General Assembly the power to provide for a uniform and equal rate of property assessment and taxation
State Income Tax Statutory Authority:
- Indiana Code Title 6, Article 3 – Adjusted Gross Income Tax
- IC 6-3-1 et seq. – General Provisions
- IC 6-3-2 – Imposition of Tax
- IC 6-3-3 – Computation of Tax
- IC 6-3-4 – Collection of Tax
- Link to Indiana Code: https://iga.in.gov/laws/
County Income Tax Statutory Authority:
- Indiana Code Title 6, Article 3.6 – Local Income Tax
- IC 6-3.6-1 through IC 6-3.6-11 – Various local income tax provisions
- Link to County Tax Statutes: https://iga.in.gov/laws/
Administrative Regulations:
- Title 45 Indiana Administrative Code
- 45 IAC 3.1 – Adjusted Gross Income Tax
- Link to Administrative Code: https://iar.iga.in.gov/
Legislative History:
- State income tax originally enacted: 1963
- Current flat rate structure: 2011 (move from graduated to flat rate)
- County income tax system: 1973 (optional); 2017 reforms (modernization)
- Rate reduction schedule: 2022 legislation (phased reductions through 2026+)
Future Rate Reductions: For taxable years beginning after December 31, 2029, and every four-year period thereafter until January 1, 2044, the state individual income tax rate will decrease by 0.05 percentage points, subject to State Budget Agency revenue determinations and meeting specified fiscal conditions.
This page compiles information directly from these statutory and regulatory authorities as implemented by the Indiana Department of Revenue.
Source: https://iga.in.gov/laws/ and https://www.in.gov/dor/
Who Must File Indiana Income Tax
Residents
Indiana residents must file Form IT-40 if any of the following apply:
- A federal income tax return is required
- Gross income exceeds total exemptions
- Any Indiana income tax was withheld
Residents are not required to file if they are Indiana residents and the total value of personal, elderly, and blind exemptions exceeds their federal adjusted gross income.
Example: A single taxpayer age 64 with one personal exemption ($1,000) and gross income of $900 is not required to file.
Source: https://forms.in.gov/Download.aspx?id=16915
Part-Year Residents
Individuals who moved into or out of Indiana during 2025 must file Form IT-40PNR (Part-Year Resident return) if they had income from any source during their period of Indiana residency or had Indiana-source income while a non-resident.
Non-Residents
Non-residents must file Form IT-40PNR if they had income from Indiana sources during 2025, including:
- Wages earned while physically working in Indiana (subject to 30-day exception)
- Business income from Indiana operations
- Rental income from Indiana property
- Sale of Indiana real or tangible personal property
- Pass-through income from Indiana partnerships or S corporations
30-Day Safe Harbor: Non-resident employees who work in Indiana for 30 days or less during the calendar year are not subject to Indiana income tax on wages (subject to exceptions for certain employee categories).
What Income Is Taxable in Indiana
Fully Taxable Income
Indiana taxes the following types of income:
- Wages and salaries
- Self-employment income
- Business income
- Interest and dividends
- Capital gains
- Retirement account distributions (401(k), traditional IRA, pensions)
- Rental income
- Gambling and lottery winnings
- Partnership and S corporation distributions
- Unemployment compensation (with partial exclusion available)
Source: https://forms.in.gov/Download.aspx?id=16915
Social Security Benefits
Indiana does not tax Social Security benefits. Any Social Security income included in federal adjusted gross income is fully deductible on the Indiana return using Schedule 2, line 12.
This deduction applies to:
- Social Security retirement benefits
- Social Security disability benefits
- Social Security survivor benefits
- Railroad retirement benefits (Tier 1 and Tier 2)
Source: https://www.in.gov/dor/i-am-a/individual/deductions/
Military Retirement Pay
Indiana fully exempts military retirement pay. Active duty military pay and military retirement pay receive favorable treatment:
Active Duty Pay: 100% deductible (up to $5,000 per person; $10,000 if both spouses have military income)
- Applies to: U.S. Armed Forces, Space Force, Public Health Service Commissioned Corps, NOAA Commissioned Officer Corps (as of January 1, 2025)
Military Retirement Pay: 100% deductible (no maximum limit as of tax year 2022)
- Full deduction for all military retirement pay and survivor’s benefits
- No age requirement
- Applies to active duty and reserve retirement
Combat Zone Pay: Exempt for both federal and Indiana purposes (not eligible for additional deduction since not taxed)
Source: https://www.in.gov/dor/files/ib27.pdf and https://www.in.gov/dor/files/ib06.pdf
National Guard Pay
Indiana National Guard members: 100% deductible for all income earned from National Guard service
- Includes state active-duty missions
- Includes federalized overseas missions
- Includes dual-status military technician wages
- Does not apply to non-dual-status technicians or independent military contractors
Source: https://www.in.gov/dor/files/ib27.pdf
Pension Income
Private Pensions: Fully taxable – distributions from private employer pensions are included in Indiana adjusted gross income
Public Pensions:
- Federal Civil Service Annuities: Partial deduction available (up to $2,000 for taxpayers age 62+ or surviving spouses)
- State and Local Pensions: Generally fully taxable
- Military Pensions: Fully deductible (see Military Retirement Pay above)
Source: https://www.in.gov/dor/files/ib06.pdf
Retirement Account Distributions
Traditional IRAs and 401(k): Distributions are fully taxable in Indiana
Roth IRA: Qualified distributions are not taxable (same treatment as federal)
Personal Exemptions
Indiana does not have a standard deduction. Instead, the state provides personal exemptions that reduce adjusted gross income.
Basic Personal Exemptions (Tax Year 2025)
- Personal Exemption: $1,000 per exemption
- Spouse Exemption: $1,000 (if filing jointly)
- Dependent Exemption: $1,500 per dependent
- First-Time Dependent Exemption: $3,000 (instead of $1,500) for first year claiming a new dependent in Indiana
Additional Exemptions
Age 65 or Older:
- Additional Exemption: $500 per person age 65+ (if federal AGI is less than $40,000; $20,000 if married filing separately)
Blind:
- Additional Exemption: $1,000 per blind individual
Source: https://forms.in.gov/Download.aspx?id=16915
Exemption Examples
Example 1 – Single filer:
- Single, under 65, no dependents: $1,000 personal exemption
Example 2 – Married with children:
- Married filing jointly, 2 dependents
- Exemptions: $1,000 (self) + $1,000 (spouse) + $1,500 + $1,500 = $5,000
Example 3 – Senior:
- Single, age 67, federal AGI $35,000
- Exemptions: $1,000 (personal) + $500 (age 65+) = $1,500
Example 4 – New dependent:
- Married filing jointly, claiming child for first time in Indiana
- Exemptions: $1,000 (self) + $1,000 (spouse) + $3,000 (first-time dependent) = $5,000
Indiana Income Tax Deductions
Indiana provides several deductions that reduce adjusted gross income. Unlike many states that use the federal standard deduction, Indiana requires itemizing specific state deductions.
Major Indiana Deductions
1. Social Security and Railroad Retirement Benefits
Deduction: 100% of Social Security and railroad retirement benefits included in federal AGI
Who qualifies:
- Anyone with Social Security retirement, disability, or survivor benefits
- Anyone with railroad retirement benefits (Tier 1 and Tier 2)
Amount: Full deduction – all Social Security income included in federal AGI
Where to claim: Form IT-40, Schedule 2, line 12
Source: https://www.in.gov/dor/i-am-a/individual/deductions/
2. Military Service Deduction
Deduction: Active duty military pay, retirement pay, and survivor’s benefits
Who qualifies:
- Active duty members of U.S. Armed Forces (Army, Navy, Air Force, Marines, Coast Guard)
- U.S. Space Force (as of January 1, 2025)
- Public Health Service Commissioned Corps (as of January 1, 2025)
- NOAA Commissioned Officer Corps (as of January 1, 2025)
- Reserve component members
- National Guard members
Amount:
- Active duty pay: Lesser of actual military income or $5,000 per person ($10,000 if both spouses have military income)
- Military retirement pay: 100% deduction (no limit) – effective for tax year 2022 and later
- Combat zone pay: Already exempt for federal purposes, so not deductible (not taxed)
Where to claim: Form IT-40, Schedule 2, line 7
Important: Cannot claim both active duty deduction and retirement deduction for same income
Source: https://www.in.gov/dor/files/ib27.pdf and https://www.in.gov/dor/files/ib06.pdf
3. National Guard and Reserve Component Deduction
Deduction: 100% of income earned from National Guard or reserve service
Who qualifies:
- Members of Army, Navy, Air Force, Coast Guard, Marine Corps reserves
- Merchant Marine reserves
- Indiana Army National Guard
- Indiana Air National Guard
Amount: Full deduction for income received from involuntary orders or deployment/mobilization for full-time service
Includes:
- State active-duty missions
- Federalized overseas missions
- Dual-status military technician wages
Does not include:
- Non-dual-status technicians
- Independent military contractors
- Income from non-military employment
Where to claim: Form IT-40, Schedule 2, line 8
Source: https://www.in.gov/dor/files/ib27.pdf
4. Renter’s Deduction
Deduction: Up to $3,000 of rent paid on principal residence
Who qualifies:
- Anyone who paid rent on their principal residence in Indiana
- The rental property must be subject to Indiana property tax
Amount: Lesser of actual rent paid or $3,000 ($1,500 if married filing separately)
Does not apply to:
- Summer homes or vacation homes
- Property exempt from Indiana property tax
- Property located outside Indiana
Example: Taxpayer paid $5,000 in rent – can deduct $3,000 Example: Taxpayer paid $2,000 in rent – can deduct $2,000
Where to claim: Form IT-40, Schedule 2, line 13
Source: https://www.in.gov/dor/i-am-a/individual/deductions/
5. Property Tax Deduction
Deduction: Up to $2,500 of Indiana property taxes on principal residence
Who qualifies:
- Anyone who pays property taxes on their principal residence in Indiana
Amount: Lesser of actual Indiana property taxes paid or $2,500 ($1,250 if married filing separately)
Where to claim: Form IT-40, Schedule 2, line 14
Source: https://www.in.gov/dor/i-am-a/individual/deductions/
6. Federal Civil Service Annuity Deduction
Deduction: Up to $2,000 of federal civil service annuity income
Who qualifies:
- Must be age 62 or older at the end of the tax year, OR
- Surviving spouse of federal civil service retiree
Amount: Lesser of federal civil service annuity received or $2,000
Where to claim: Form IT-40, Schedule 2, line 6
Source: https://www.in.gov/dor/files/ib06.pdf
7. Unemployment Compensation Deduction
Deduction: Portion of unemployment compensation
Indiana may tax a smaller amount of unemployment compensation than what is taxed federally.
Who qualifies: Anyone who reported unemployment compensation on federal return
Where to claim: Form IT-40, Schedule 2 (amount calculated per instructions)
Note: Must enclose Form 1099-G to claim this deduction
Source: https://www.in.gov/dor/i-am-a/individual/deductions/
8. Other Indiana Deductions
Interest on U.S. Government Obligations: Deduction for interest from U.S. government obligations (Treasury bonds, notes, savings bonds)
Indiana College Choice 529 Contributions: Deduction for contributions to Indiana’s 529 education savings plan (see credits section for related credit)
Disability Retirement Income: Special deduction for certain disability retirement income (Schedule IT-2440)
Enterprise Zone Employee Deduction: Deduction for qualified employees living and working in designated Indiana enterprise zones (up to $7,500)
Research and Experimental Expenses: Deduction for specified research expenses required to be amortized for federal purposes
Source: https://www.in.gov/dor/i-am-a/individual/deductions/
Indiana Income Tax Credits
Indiana offers numerous tax credits. Credits directly reduce tax liability dollar-for-dollar.
Major Individual Tax Credits
1. Unified Tax Credit for the Elderly
Credit: Varies based on income and age
Who qualifies:
- Must be age 65 or older, OR
- Spouse is age 65 or older (if filing jointly)
Maximum credit amounts vary by filing status and income:
- Tables provided in Form IT-40 instructions
- Credit phases out at higher income levels
Special form available: Form SC-40 (short form for qualifying seniors)
Where to claim: Form IT-40, line 12, or file Form SC-40
Source: https://www.in.gov/dor/i-am-a/individual/seniors/
2. Adoption Tax Credit
Credit: 20% of federal adoption credit, up to $2,500 per child
Who qualifies:
- Anyone who claimed a federal adoption credit for the tax year
Amount: Lesser of 20% of federal adoption credit or $2,500 per qualifying child
Refundable: Yes – if credit exceeds tax liability, excess is refunded
Where to claim: Form IT-40, Schedule 3
Source: https://www.in.gov/dor/i-am-a/individual/tax-credits/
3. Indiana 529 Education Savings Plan Credit
Credit: 20% of contributions to Indiana 529 plan, up to $1,500 credit
Who qualifies:
- Indiana taxpayers who contribute to an Indiana 529 savings plan
Maximum credit: $1,500 per year ($750 if married filing separately)
- Based on contributions of up to $7,500
Repayment required: If non-qualified withdrawal is made, must repay credits previously claimed
Where to claim: Form IT-40, Schedule 3
Source: https://www.in.gov/tos/iesa/tax-credit/
4. Indiana ABLE 529A Credit
Credit: 20% of contributions to Indiana ABLE account, up to $500
Who qualifies:
- Anyone who contributes to an Indiana ABLE 529A savings plan
Maximum credit: $500 per year
- Based on contributions of up to $2,500
Where to claim: Form IT-40, Schedule 3
Source: https://www.in.gov/dor/i-am-a/individual/tax-credits/
5. College Credit (Charitable Contributions to Higher Education)
Credit: 50% of contributions to Indiana colleges/universities
Who qualifies:
- Anyone who donated money or property to eligible Indiana colleges/universities
Maximum credit: Varies by institution and program
Important: Tuition payments do not qualify
Where to claim: Schedule CC-40
Source: https://www.in.gov/dor/i-am-a/individual/tax-credits/
6. Lake County Residential Income Tax Credit
Credit: For Lake County property tax payers with low income
Who qualifies – must meet all three:
- Paid property tax to Lake County on principal residence
- Modified Indiana AGI less than $18,600
- Not claiming homeowner’s residential property tax deduction
Where to claim: Worksheets in Form IT-40 Booklet
Source: https://www.in.gov/dor/i-am-a/individual/tax-credits/
7. Credit for Taxes Paid to Other States
Credit: For Indiana residents who paid income tax to other states
Who qualifies:
- Indiana residents who earned income in other states
- Paid income tax to those states on the same income
Amount: Credit based on taxes paid to other state, calculated to prevent double taxation
Where to claim: Form IT-40, Schedule 3 (with supporting documentation)
Important: Reciprocity agreements may eliminate need for this credit for wage income
Source: https://www.in.gov/dor/i-am-a/individual/tax-credits/
8. Credit for County Taxes Paid to Other Localities
Credit: For Indiana residents who paid local income tax to another state’s locality
Who qualifies:
- Worked in another state that has local income taxes
- Paid local income tax to that jurisdiction
Important: This credit applies even if wage income is exempt from the other state’s state-level tax due to reciprocity
Where to claim: Separate calculation required, attached to return
Source: https://www.in.gov/dor/files/ib28.pdf
Additional Tax Credits
Indiana offers numerous other credits for specific situations:
- Venture Capital Investment Credit
- Enterprise Zone Credits
- Neighborhood Assistance Credit
- Individual Development Account Credit
- Foster Care Donation Credit
- Research Expense Credit
- Community Revitalization Enhancement District Credit
Complete credit information: https://www.in.gov/dor/i-am-a/individual/tax-credits/
Source: https://www.in.gov/dor/files/ib59.pdf
Filing Deadlines
Regular Deadline
April 15, 2026 for Tax Year 2025 returns
If April 15 falls on a weekend or holiday, the deadline moves to the next business day.
Source: https://forms.in.gov/Download.aspx?id=16915
Extension Deadline
October 15, 2026 (six-month extension)
To receive an extension, taxpayers must:
- File extension request by April 15, 2026
- Pay any estimated tax owed by April 15, 2026
- Note: Extension is for filing only, not for payment
Extension forms:
- Form IT-9: Indiana Application for Extension of Time to File
- Federal extension: Indiana automatically grants extension if federal extension (Form 4868) is filed
How to file extension:
- Online through INTIME (Indiana’s e-services portal): https://intime.dor.in.gov
- Mail Form IT-9 with payment
Source: https://forms.in.gov/Download.aspx?id=16915
Estimated Tax Payments
If you have income not subject to withholding, quarterly estimated tax payments are required if you expect to owe more than $1,000 when you file.
Quarterly due dates for 2025 tax year:
- 1st Quarter: April 15, 2025
- 2nd Quarter: June 15, 2025
- 3rd Quarter: September 15, 2025
- 4th Quarter: January 15, 2026
Safe harbor provisions:
No penalty if payments equal:
- 100% of prior year’s tax liability (line 8 + line 9 of prior year Form IT-40), OR
- 90% of current year’s tax liability
Exception: If prior year federal AGI exceeded $150,000 ($75,000 if married filing separately), must pay 110% of prior year’s tax.
Estimated payment form: Form ES-40
Payment methods:
- Online through INTIME: https://intime.dor.in.gov
- Mail Form ES-40 with payment
- Electronic payment (ACH/e-check)
- Credit/debit card (Visa, MasterCard, Discover)
Source: https://forms.in.gov/Download.aspx?id=16915
Combat Zone Extension
Military personnel serving in combat zones receive automatic extensions:
- Filing deadline extended
- Payment deadline extended
- Interest does not accrue during extension period
Requirement: Write “Combat Zone” across top of return
Source: https://www.in.gov/dor/individual-income-taxes/information-for-military-service-members/
Filing Options for Indiana Income Tax
Online Filing (E-File)
Electronic filing is available and recommended by the Indiana Department of Revenue.
E-file options:
1. INTIME (Indiana’s Online Portal):
- Free online filing system
- Available at: https://intime.dor.in.gov
- Fastest processing and refunds
2. Commercial Tax Software:
- TurboTax, H&R Block, TaxAct, and other IRS-approved software
- Most include Indiana return preparation
- Often integrated with federal return filing
3. Professional Tax Preparer with E-File:
- CPA, Enrolled Agent, or tax attorney
- Can file electronically on your behalf
Source: https://www.in.gov/dor/tax-forms/individual/current/
Paper Filing
Paper returns can be filed by mail.
How to file on paper:
- Download forms:
- Available at: https://www.in.gov/dor/tax-forms/individual/current/
- Use correct tax year forms only
- Complete all required forms:
- Form IT-40 (residents) or IT-40PNR (part-year/non-residents)
- All applicable schedules
- Copy of federal return (first two pages)
- All W-2s and 1099s
- Mail to appropriate address:
With payment: Indiana Department of Revenue
P.O. Box 7224
Indianapolis, IN 46207-7224
With refund or no payment due: Indiana Department of Revenue
P.O. Box 40
Indianapolis, IN 46206-0040
Note: Do not send to both addresses. Use address appropriate for your situation.
Source: https://forms.in.gov/Download.aspx?id=16915
Tax Preparer Options
Licensed tax professionals qualified to prepare Indiana returns:
Certified Public Accountant (CPA):
- Licensed by Indiana Board of Accountancy
- Can represent you before the IRS and Indiana DOR
Enrolled Agent (EA):
- Federally licensed
- Can represent you before the IRS
- Familiar with state tax requirements
Tax Attorney:
- Licensed to practice law
- Can provide legal advice on tax matters
- Can represent you in disputes
Find preparers:
- IRS Directory of Federal Tax Return Preparers: https://irs.treasury.gov/rpo/rpo.jsf
- Indiana CPA Society: https://www.incpas.org/
- National Association of Enrolled Agents: https://www.naea.org/
Free Filing Options
Free File Options:
Indiana participates in various free filing programs for qualifying taxpayers.
VITA (Volunteer Income Tax Assistance):
- Free for taxpayers earning $66,000 or less
- Available at various community locations
- Locator: https://irs.treasury.gov/freetaxprep/
TCE (Tax Counseling for the Elderly):
- Free for taxpayers age 60 and older
- Specializes in pension and retirement issues
- Locator: https://irs.treasury.gov/freetaxprep/
AARP Foundation Tax-Aide:
- Free for low- to moderate-income taxpayers
- Focus on taxpayers age 50+
- Locator: https://www.aarp.org/money/taxes/aarp_taxaide/
Indy Free Tax Prep:
- Free for Indiana residents with household income $66,000 or less
- Multiple Indianapolis-area locations
Local Income Taxes in Indiana
Indiana has a unique system where all 92 counties levy local income tax in addition to state income tax.
How County Income Tax Works
Key characteristics:
- Every Indiana county has county income tax (mandatory statewide system)
- County tax is determined by county of residence on January 1 of the tax year
- County rates change periodically (January and October)
- Multiple county tax components (certified shares, property tax relief, public safety, etc.)
For residents:
- Pay county tax to county of residence on January 1
- Rate applied to full Indiana adjusted gross income
For non-residents working in Indiana:
- May owe county tax to work county if employed there 30+ days
- Different rates may apply for non-residents vs. residents
Source: https://www.in.gov/dor/i-am-a/individual/individual-income-county-tax-rates-by-year/
County Tax Rate Information
Current rates published in:
- Departmental Notice #1 – Updated semi-annually (January and October)
- Available at: https://www.in.gov/dor/files/dn01.pdf
Historical county rates:
Rate structure: County tax rates vary from approximately 0.5% to 2.9% depending on:
- Which local income tax types the county has adopted
- County fiscal needs
- Property tax relief provisions
- Public safety funding
- Economic development initiatives
County Tax Components
Counties may levy several types of local income tax:
Common county tax types:
- Certified Shares – General county revenue
- Property Tax Relief – Reduces property tax burden
- Public Safety Tax – Law enforcement and emergency services
- PSAP Tax – Public Safety Answering Point (911 services)
- Economic Development Tax – Local business development
- Special Purpose Taxes – County-specific needs
Each county determines which taxes to levy and at what rates.
Source: https://www.in.gov/dlgf/files/250814-2026-Estimated-Local-Income-Tax-Report.pdf
Withholding for County Tax
Employers must withhold county income tax based on:
- County where employee lives (primary)
- County where employee works (if applicable for non-residents)
Form WH-4: Employees complete Indiana’s Form WH-4 to indicate:
- County of residence
- County of principal employment
- Number of exemptions
Source: https://www.in.gov/dor/files/dn01.pdf
County Tax on Returns
Where county tax appears:
Form IT-40 (residents):
- Schedule CT-40 – County Tax Calculation
- Reports county of residence
- Calculates county tax on Indiana adjusted gross income
Form IT-40PNR (part-year/non-residents):
- Schedule CT-40PNR – County Tax Calculation for Part-Year Residents and Nonresidents
- More complex calculation
- Allocates income to proper counties
Source: https://forms.in.gov/Download.aspx?id=16915
Special County Tax Situations
Moved during the year:
- County tax based on county of residence on January 1 of tax year
- Moving mid-year does not change county tax for that year
Work in different county:
- Residents: Pay to county of residence regardless of work location
- Non-residents: May owe to work county if employed there 30+ days
Multiple employers in different counties:
- Complex calculation on Schedule CT-40PNR
- May need professional tax assistance
Reciprocal states:
- Special rules apply for residents of reciprocal states working in Indiana
- May owe Indiana county tax even if exempt from state tax
- See Income Tax Information Bulletin #28
Special Considerations for Indiana Income Tax
Remote Workers and Multi-State Taxation
Living in Indiana, Working for Out-of-State Employer
As an Indiana resident, you owe Indiana income tax on ALL income, regardless of where your employer is located.
What this means:
- Employer location does NOT determine tax obligation
- Income from employers in other states is fully taxable in Indiana
- State law requires Indiana residents to report worldwide income
- You must file Form IT-40 reporting all income
Example: An Indiana resident working remotely for a California company owes Indiana state income tax (3.0%) plus Indiana county income tax on all wages, even though the work is performed from an Indiana home office.
Tax treatment:
- Report all income on Indiana return
- If other state taxes the income, claim credit on Indiana return for taxes paid to other state
- File non-resident return in other state if required
Source: https://forms.in.gov/Download.aspx?id=16915
Working in Indiana, Living in Another State
General rule: Non-residents who perform work physically in Indiana owe Indiana income tax on wages earned from Indiana sources.
Physical presence rule: Income is sourced to Indiana based on where work is physically performed, not where employer is located.
30-Day Safe Harbor Exception:
Non-resident employees who work in Indiana for 30 days or less during the calendar year are not subject to Indiana income tax on wages.
Requirements:
- Must track days worked in Indiana
- Applies to compensation received as an employee only
- Does not apply to business income, rental income, or other non-wage income
Does NOT apply to:
- Professional athletes
- Professional entertainers
- Public figures (receiving $300,000+ annually for services in Indiana)
- Individuals with Indiana-source income exceeding $100,000
- Individuals who have or had a business, trade, or profession conducted in Indiana
Employer withholding:
- Employers may rely on employee affidavit (Form WH-4AFF) stating employee will not exceed 30 days
- If 30-day threshold is exceeded mid-year, employer must withhold retroactively
- Days worked for previous Indiana employers count toward 30-day limit
Source: https://www.in.gov/dor/files/ib28.pdf
⚠️ Interstate Tax Risk Indicator
Remote workers involving Indiana commonly encounter dual taxation complications with specific states:
States requiring careful planning with Indiana:
High-risk states for Indiana residents working remotely:
- New York – Applies convenience of employer rule; may tax Indiana residents working for NY employers
- Pennsylvania – Complex local income tax system (67 municipalities); may require local tax payment
- Connecticut – May tax Indiana residents working for CT employers under certain circumstances
- Delaware – May assert nexus for Indiana residents working for DE employers
Indiana residents should be cautious when:
- Working remotely for employers in convenience-of-employer states
- Spending extended periods working from other states
- Maintaining property or residence in other states
Source: https://www.in.gov/dor/files/ib28.pdf and state-specific guidance
“Convenience of the Employer” Rule
Indiana does NOT apply a “convenience of the employer” rule.
Non-residents are taxed only on income from work physically performed in Indiana. If a non-resident works remotely from their home state for an Indiana employer, Indiana does not tax that income.
What this means:
- Living in Michigan and working remotely for an Indiana employer = No Indiana tax on wages (unless reciprocity applies)
- Indiana resident working remotely for New York employer = Indiana taxes all income, but New York may also tax under its convenience rule
Source: https://www.in.gov/dor/files/ib28.pdf
Reciprocal Agreements
Indiana has reciprocal agreements with five states:
- Kentucky
- Michigan
- Ohio
- Pennsylvania
- Wisconsin
What reciprocity means:
For wage income only:
- Indiana residents working in reciprocal states pay income tax only to Indiana (not to the work state)
- Residents of reciprocal states working in Indiana pay income tax only to their home state (not to Indiana)
Requirements:
- Must be resident of one state and work in the reciprocal state
- Applies to wages, salaries, tips, and commissions only
- Must file exemption certificate (Form WH-47 or equivalent) with employer
- State law requires proper withholding in state of residence
Does NOT apply to:
- Business income
- Rental income
- Investment income
- Gambling winnings
- Other non-wage income from the other state
County tax exception:
- Even with reciprocity from state tax, Indiana county tax may still apply to residents of reciprocal states working in Indiana
- Must file to claim credit for local taxes paid to localities in other states
Forms required:
- Indiana Form WH-47 – Certificate of Residence for Income Tax Withholding (for Indiana residents working in reciprocal states)
- Reciprocal state forms – Varies by state
Source: https://www.in.gov/dor/files/ib28.pdf
Reciprocity Details by State
Kentucky: Indiana residents working in Kentucky file Form 42A-809 (Kentucky Certificate of Nonresidence) with Kentucky employer.
Michigan: Indiana residents working in Michigan file Form MI-W4 claiming exemption with Michigan employer.
Ohio: Indiana residents working in Ohio file Form IT-4NR with Ohio employer.
Pennsylvania: Indiana residents working in Pennsylvania file Form REV-419 with Pennsylvania employer.
Wisconsin: Indiana residents working in Wisconsin file Form W-220 with Wisconsin employer.
Important: Must still file returns in both states:
- File resident return in home state reporting all income
- File non-resident return in work state showing reciprocal exemption
- Or file Form IT-40RNR (Indiana Reciprocal Nonresident form) if resident of reciprocal state
Source: https://www.in.gov/dor/files/ib28.pdf
Multi-State Tax Filing
When earning income in multiple states without reciprocity:
Step 1: File resident return in Indiana
- Form IT-40
- Report ALL income from all sources
- Calculate Indiana state and county tax
Step 2: File non-resident returns in other states
- Report only income from sources in those states
- Pay tax to those states on their-sourced income
Step 3: Claim credit on Indiana return
- Form IT-40, Schedule 3
- Credit for taxes paid to other states
- Prevents double taxation
Required documentation:
- Copy of other states’ returns
- Proof of tax payments to other states
- Schedule showing credit calculation
Tax Residency vs Domicile
Understanding the difference between residency and domicile is critical for determining state tax obligations.
Domicile Defined
Domicile is your permanent legal home – the place where you intend to return and consider “home” indefinitely.
Key characteristics:
- You can have only ONE domicile at a time
- Domicile continues until you establish a new domicile elsewhere with intent to remain permanently
- Intent to return is critical – temporary absences do not change domicile
Factors establishing Indiana domicile:
- Where you maintain your primary residence
- Where you register to vote
- Where you obtain driver’s license and vehicle registration
- Where you file homestead exemption
- Where your family resides
- Where you maintain primary bank accounts
- Where you belong to religious, social, or professional organizations
- Where your business interests are located
- Stated intent in legal documents (wills, trusts)
- Time spent in Indiana vs. other locations
Source: https://www.in.gov/dor/files/ib28.pdf
Residency Defined
For Indiana tax purposes, you are a resident if:
Indiana domicile test OR Indiana physical presence test:
- Domicile test: Your domicile (permanent home) is in Indiana, OR
- Statutory residency test: You maintain a permanent place of abode in Indiana AND spend more than 183 days in Indiana during the tax year
Important: Unlike some states, Indiana’s primary test is domicile-based rather than day-count-based.
| Critical Differences | ||
|---|---|---|
| Factor | Domicile | Tax Residency |
| Number allowed | One at a time | Can be resident of multiple states |
| Based on | Intent + permanent connections | Domicile test or physical presence |
| Changes when | Establish new permanent home with intent | Domicile changes or meet presence threshold |
| Tax impact | Owe tax on worldwide income | Owe tax on worldwide income if resident |
Common Domicile Scenarios
Scenario 1: Snowbirds
- Domicile: Indiana (permanent home, family, voting)
- Winter residence: Florida (4 months/year)
- Tax result: Remain Indiana resident – taxed on all income
Scenario 2: Extended work assignment
- Domicile: Indiana (permanent home, family)
- Work assignment: Illinois (9 months, rented apartment)
- Tax result: Still Indiana resident if maintain Indiana domicile with intent to return
Scenario 3: College student
- Domicile: Indiana (permanent home, parents’ residence)
- College: Massachusetts (9 months/year, dorm)
- Tax result: Remain Indiana resident for parents’ return; student may be non-resident
Source: https://www.in.gov/dor/files/ib28.pdf
Burden of Proof
In residency disputes with Indiana Department of Revenue:
- Burden typically falls on taxpayer to prove non-residency
- Must show both: (1) abandoned Indiana domicile AND (2) established domicile elsewhere with intent to remain
Common audit triggers:
- Maintaining Indiana driver’s license while claiming residency elsewhere
- Owning property in Indiana while claiming non-residency
- Family remaining in Indiana while taxpayer claims other domicile
- Voting in Indiana while claiming non-residency
- Indiana homestead exemption while claiming non-residency
- High-income individuals claiming non-residency
Source: https://www.in.gov/dor/files/ib28.pdf
Documentation Commonly Requested in Residency Audits
Indiana Department of Revenue may audit residency determinations. The following documentation types are commonly requested:
| Primary Residency Evidence | |
|---|---|
| Document Type | What It Shows |
| Driver's License | State of legal residence |
| Voter Registration | Where you exercise voting rights |
| Vehicle Registration | Where vehicles are domiciled |
| Professional Licenses | State of professional domicile |
| Homestead Exemption | Property tax exemption claim for principal residence |
| Physical Presence Documentation | |
|---|---|
| Document Type | What It Shows |
| Day-Count Logs | Physical location by day (if asserting 183-day rule) |
| Travel Records | Interstate travel patterns |
| Credit Card Statements | Geographic spending patterns |
| Cell Phone Records | Location data from carrier |
| E-ZPass / Toll Records | State line crossings |
| Employment Records | Where work was performed |
| Property and Financial Ties | |
|---|---|
| Document Type | What It Shows |
| Property Ownership | Real estate holdings |
| Homestead Exemption | Principal residence claim |
| Utility Bills | Physical occupancy patterns |
| Home/Rental Lease | Residence location |
| Bank Statements | Financial institution location |
| Safe Deposit Box | Location of important documents |
| Social and Family Connections | |
|---|---|
| Document Type | What It Shows |
| Family Location | Where spouse/children reside |
| Medical Records | Where you receive regular care |
| Physicians | Location of primary care providers |
| Dentist | Location of dental care |
| Religious Affiliation | Place of worship attendance |
| Club Memberships | Social/recreational ties |
| Employment Documentation | |
|---|---|
| Document Type | What It Shows |
| W-2 Forms | Employer location, wages, withholding |
| Employment Contract | Work location requirements |
| Remote Work Agreement | Authorization to work remotely |
| Pay Stubs | Withholding state |
| Intent Documentation | |
|---|---|
| Document Type | What It Shows |
| Will/Estate Documents | Stated domicile for estate purposes |
| Tax Returns | Prior year residency claims |
| Insurance Policies | Address on file with insurers |
| Sworn Statements | Declarations of intent |
Military Personnel
Servicemembers Civil Relief Act (SCRA)
Active duty military members stationed in Indiana due to military orders:
- Do NOT become Indiana residents solely due to military orders
- Pay income tax to their state of legal residence (domicile)
- Not subject to Indiana income tax on military pay
Military home of record: If Indiana is your home of record when you enlisted, you remain an Indiana resident regardless of where stationed.
Source: https://www.in.gov/dor/individual-income-taxes/information-for-military-service-members/
Military Spouses Residency Relief Act (MSRRA)
Spouses of active duty military can maintain their home state residency and are not taxed by Indiana on income earned in Indiana if:
- Spouse is in Indiana solely to be with servicemember
- Servicemember is in Indiana under military orders
- Spouse maintains domicile in another state
Requirements:
- Complete Schedule IN-2058SP (Nonresident Military Spouse Earned Income Deduction)
- File Form IT-40PNR
- Provide copy of Form DD-2058 (State of Legal Residence Certificate)
Source: https://www.in.gov/dor/individual-income-taxes/information-for-military-service-members/
Military Pay Deductions – Indiana Residents
Active Duty Pay: Up to $5,000 deduction per person ($10,000 if both spouses have military income)
Eligible branches (as of January 1, 2025):
- U.S. Army, Navy, Air Force, Marine Corps, Coast Guard
- U.S. Space Force
- Public Health Service Commissioned Corps
- NOAA Commissioned Officer Corps
Combat zone pay: Exempt for federal and Indiana purposes (already not taxed)
Where to claim: Form IT-40, Schedule 2, line 7
Source: https://www.in.gov/dor/files/ib27.pdf
National Guard and Reserve Pay
100% deductible: All income from National Guard or reserve service
Eligible:
- Indiana Army National Guard
- Indiana Air National Guard
- Army, Navy, Air Force, Coast Guard, Marine Corps reserves
- Merchant Marine reserves
Includes:
- State active-duty missions
- Federalized overseas missions
- Dual-status military technician wages
Where to claim: Form IT-40, Schedule 2, line 8
Source: https://www.in.gov/dor/files/ib27.pdf
Military Retirement Pay
Indiana fully exempts military retirement pay:
Deduction: 100% of military retirement pay and survivor’s benefits (no limit)
Eligible:
- All branches of U.S. Armed Forces
- Space Force (as of January 1, 2025)
- Public Health Service Commissioned Corps (as of January 1, 2025)
- NOAA Commissioned Officer Corps (as of January 1, 2025)
No age requirement: Deduction available regardless of retiree’s age
Phase-in history:
- Tax year 2022 and later: 100% deductible (fully exempt)
- Tax years 2019-2021: Partial deduction (phased in)
Where to claim: Form IT-40, Schedule 2, line 6
Important: Cannot claim both active duty deduction and retirement deduction for the same income
Source: https://www.in.gov/dor/files/ib06.pdf and https://www.in.gov/dor/files/ib27.pdf
What Military Members DO Owe Tax On
Indiana resident military members (those whose home of record is Indiana) owe Indiana income tax on:
- Non-military income earned (wages from civilian jobs)
- Investment income (interest, dividends, capital gains)
- Rental income from Indiana property
- Business income
- Retirement account distributions (401(k), IRA, etc.)
- Pension income (non-military)
Source: https://www.in.gov/dor/individual-income-taxes/information-for-military-service-members/
Filing Requirements for Military Personnel
Single military member with Indiana home of record:
- File Form IT-40 (Indiana resident return)
- Report all income (military and non-military)
- Claim military pay deduction
Married, both spouses are Indiana residents:
- File Form IT-40 (married filing jointly or separately)
- Each spouse claims own military deduction if applicable
Married, one spouse is not Indiana resident:
- File Form IT-40PNR
- Use Schedule IN-2058SP if non-resident spouse qualifies under MSRRA
Source: https://www.in.gov/dor/individual-income-taxes/information-for-military-service-members/
Retirees
Social Security Benefits
Indiana does not tax Social Security benefits.
Any Social Security income included in federal adjusted gross income is fully deductible on Indiana return.
Applies to:
- Social Security retirement benefits
- Social Security disability benefits
- Social Security survivor benefits
- Railroad retirement benefits (Tier 1 and Tier 2)
Where to claim: Form IT-40, Schedule 2, line 12
Source: https://www.in.gov/dor/i-am-a/individual/deductions/
Pension Income
Private Pensions
Taxable: Distributions from private employer pensions are included in Indiana adjusted gross income and fully taxable.
Public Pensions
Federal Civil Service Annuities:
- Partial deduction available
- Up to $2,000 deduction for taxpayers age 62+ or surviving spouses
- Where to claim: Form IT-40, Schedule 2, line 6
State and Local Government Pensions:
- Generally fully taxable in Indiana
Military Pensions:
- Fully deductible (100% exempt) – see Military Retirement Pay section above
Source: https://www.in.gov/dor/files/ib06.pdf
Retirement Account Distributions
401(k) and Traditional IRA:
- Distributions are fully taxable in Indiana
- Included in adjusted gross income
Roth IRA:
- Qualified distributions are not taxable (same as federal treatment)
Pension Rollovers:
- Tax-free rollovers for federal purposes are also tax-free for Indiana
Source: https://forms.in.gov/Download.aspx?id=16915
Special Benefits for Senior Citizens
Age 65+ Additional Exemption:
- $500 additional personal exemption
- Available if federal AGI is less than $40,000 ($20,000 if married filing separately)
Unified Tax Credit for the Elderly:
- Available for taxpayers age 65+ or spouse age 65+
- Credit amount varies by income
- May use Form SC-40 (simplified form) if qualify
No filing requirement if:
- Indiana resident
- Total value of personal, elderly, and blind exemptions exceeds federal AGI
Source: https://www.in.gov/dor/i-am-a/individual/seniors/
Students
General Rule
College students attending school in Indiana do NOT automatically become Indiana residents for tax purposes.
You remain a non-resident if:
- Maintain legal residence (domicile) in another state
- Your presence in Indiana is temporary for educational purposes
- You intend to return to your home state after graduation
- Parents claim you as dependent on their home state return
What Students Owe Indiana Tax On
Non-resident students owe Indiana tax only on Indiana-source income:
- Wages earned from working in Indiana
- Business income from Indiana operations
- Rental income from Indiana property
Not taxable to non-resident students:
- Qualified scholarships and fellowships (used for tuition, fees, books)
- Income earned from work performed outside Indiana
Source: https://forms.in.gov/Download.aspx?id=16380
Establishing Indiana Residency as a Student
Students CAN become Indiana residents if they take affirmative steps to establish domicile:
- Register to vote in Indiana
- Obtain Indiana driver’s license
- Change vehicle registration to Indiana
- Purchase property in Indiana
- Obtain Indiana professional licenses
- File homestead exemption in Indiana
- Maintain continuous presence beyond educational purposes
- Intent to remain in Indiana indefinitely after graduation
Factors that do NOT establish residency alone:
- Attending school in Indiana
- Living in student housing
- Having part-time job in Indiana
Source: https://www.in.gov/dor/files/ib28.pdf
Filing Requirements for Students
Non-resident students with Indiana income:
- File Form IT-40PNR (Part-Year Resident and Nonresident return)
- Report only Indiana-source income
Resident students (Indiana domicile):
- File Form IT-40
- Report all income from all sources
Dependent students:
- Must file own return if gross income exceeds exemption amounts
- Parents claim student as dependent on their return
Part-Year Residents
Who Files as Part-Year Resident
File Form IT-40PNR if you moved TO or FROM Indiana during 2025.
Situations requiring part-year resident filing:
- Moved to Indiana and established domicile during year
- Moved from Indiana to another state during year
- Changed domicile between Indiana and another state
Source: https://forms.in.gov/Download.aspx?id=16380
Income Allocation for Part-Year Residents
Income taxable to Indiana:
- All income earned while an Indiana resident (during Indiana residency period)
- Indiana-source income earned while a non-resident
Income NOT taxable to Indiana:
- Income from other states earned while resident of those states
How to calculate:
- Determine dates of Indiana residency
- Moving TO Indiana: Residency starts date domicile established
- Moving FROM Indiana: Residency ends date domicile established elsewhere
- Allocate income
- Wages: Allocate based on period worked as Indiana resident
- Investment income: Allocate based on residency period
- Business income: May require apportionment
- Calculate Indiana tax
- Apply to income attributable to Indiana residency period
Source: https://forms.in.gov/Download.aspx?id=16380
Forms Required
Primary form: Form IT-40PNR (Part-Year Resident and Nonresident Individual Income Tax Return)
Required schedules:
- Schedule A: Income allocation
- Schedule CT-40PNR: County tax calculation
Source: https://forms.in.gov/Download.aspx?id=16380
Part-Year Resident Examples
Example 1 – Moved TO Indiana:
- January 1 – May 31: Texas resident (no income tax)
- June 1 – December 31: Indiana resident
- Report on Form IT-40PNR:
- All income from June 1 through December 31
- Any Indiana-source income from January 1 through May 31
Example 2 – Moved FROM Indiana:
- January 1 – August 31: Indiana resident
- September 1 – December 31: Florida resident (no income tax)
- Report on Form IT-40PNR:
- All income from January 1 through August 31
- Any Indiana-source income from September 1 through December 31
Source: https://forms.in.gov/Download.aspx?id=16380
County Tax for Part-Year Residents
Important: County tax is based on county of residence on January 1 of the tax year.
If you moved:
- County tax applies based on where you lived on January 1, 2025
- Mid-year moves do not change county tax for that year
- Use Schedule CT-40PNR for calculation
Source: https://forms.in.gov/Download.aspx?id=16904
Common Tax Filing Situations
These are factual clarifications based on official Indiana tax guidance and law.
Situation: “My employer is in another state, so I don’t owe Indiana tax”
Indiana law: Indiana residents owe tax on all income regardless of employer location. Employer location does not determine tax obligation. If you are an Indiana resident (domicile in Indiana), you must report and pay Indiana tax on income from all sources, including out-of-state employers.
Source: https://forms.in.gov/Download.aspx?id=16915
Situation: “I work remotely full-time, so I don’t owe tax anywhere”
Tax law principle: All income is taxable in at least one jurisdiction. Remote work does not exempt income from taxation. As an Indiana resident, you owe Indiana state and county income tax on all income, regardless of where you physically perform the work.
Source: https://forms.in.gov/Download.aspx?id=16915
Situation: “I’m a part-year resident, so I owe half the tax”
Indiana law: Part-year residents owe tax only on income earned during Indiana residency period, not a simple percentage reduction. You must allocate income based on actual residency dates and Indiana-source income.
Source: https://forms.in.gov/Download.aspx?id=16380
Situation: “I only worked in Indiana for a few weeks, so I don’t need to file”
Indiana law: The 30-day safe harbor applies to non-resident employees. If you worked in Indiana for 30 days or less and meet all requirements, you may not owe Indiana tax on wages. However, this does not apply to all workers (exceptions for athletes, entertainers, high earners, and business owners).
Source: https://www.in.gov/dor/files/ib28.pdf
Situation: “I live in Ohio and work in Indiana, so I have to pay tax to both states”
Indiana law: Indiana has reciprocity with Ohio. Ohio residents working in Indiana pay tax only to Ohio on wage income, not to Indiana. However, you may owe Indiana county tax and must file appropriate exemption certificates with your employer.
Source: https://www.in.gov/dor/files/ib28.pdf
Situation: “My military retirement is taxable like any other pension”
Indiana law: Military retirement pay is 100% deductible in Indiana (fully exempt). Indiana does not tax military retirement pay or survivor’s benefits, regardless of the retiree’s age.
Source: https://www.in.gov/dor/files/ib06.pdf
Situation: “County income tax is optional in Indiana”
Indiana law: All 92 Indiana counties levy county income tax. It is not optional. Every Indiana resident owes both state income tax (3.0%) and county income tax (rates vary by county). There is no county in Indiana without local income tax.
Source: https://www.in.gov/dor/i-am-a/individual/individual-income-county-tax-rates-by-year/
Forms & Publications
Primary Tax Return Forms
Resident Return
Form IT-40 – Full-Year Resident Individual Income Tax Return
- For Indiana residents who lived in Indiana entire year
- Download: https://www.in.gov/dor/tax-forms/individual/current/
- Instructions: Included in IT-40 booklet
Form IT-40EZ – Short Form (if eligible)
- Simplified form for certain residents with simple returns
- Availability and eligibility varies by year
Non-Resident and Part-Year Resident Return
Form IT-40PNR – Part-Year and Full-Year Nonresident Individual Income Tax Return
- For individuals who moved into or out of Indiana during year
- For non-residents with Indiana-source income
- Download: https://www.in.gov/dor/tax-forms/individual/current/
- Instructions: Included in IT-40PNR booklet
Form IT-40RNR – Reciprocal Nonresident Individual Income Tax Return
- For residents of reciprocal states (Kentucky, Michigan, Ohio, Pennsylvania, Wisconsin) who worked in Indiana
- Exempts wage income under reciprocity agreements
- Download: https://www.in.gov/dor/tax-forms/individual/current/
Common Schedules
Schedule 2 – Deductions from Indiana Adjusted Gross Income
- Reports all Indiana-specific deductions
- Included with Form IT-40
Schedule 3 – Credits
- Reports all tax credits
- Included with Form IT-40
Schedule CT-40 – County Tax Calculation (Residents)
- Calculates county income tax for full-year residents
- Required for all residents
Schedule CT-40PNR – County Tax Calculation (Part-Year/Non-Residents)
- Calculates county income tax for part-year residents and non-residents
- More complex allocation required
Schedule IN-DEP – Indiana Dependent Information
- Reports dependent exemptions
- Required when claiming dependent exemptions
Schedule IN-2058SP – Nonresident Military Spouse Earned Income Deduction
- For military spouses qualifying under MSRRA
- Calculates exempt income for qualifying military spouses
Source: https://www.in.gov/dor/tax-forms/individual/current/
Withholding Forms
Form WH-4 – Employee’s Withholding Exemption and County Status Certificate
- Indiana’s equivalent to federal Form W-4
- Employees complete to indicate:
- Number of exemptions
- County of residence
- County of principal employment
- Additional withholding requests
Form WH-4AFF – Affidavit for 30-Day Withholding Exemption
- For non-resident employees expecting to work 30 days or less in Indiana
- Relieves employer from withholding until 30-day threshold met
Form WH-47 – Certificate of Residence for Income Tax Withholding
- For Indiana residents working in reciprocal states
- Exempts from other state’s withholding
Source: https://www.in.gov/dor/files/dn01.pdf
Estimated Tax Forms
Form ES-40 – Estimated Tax Payment Voucher
- For making quarterly estimated tax payments
- Use when income not subject to withholding
- Download: https://www.in.gov/dor/tax-forms/individual/current/
Extension Forms
Form IT-9 – Application for Extension of Time to File
- Requests six-month extension to file Indiana return
- Must be filed by April 15
- Payment of estimated tax due required
- Download: https://www.in.gov/dor/tax-forms/individual/current/
Federal Extension: Filing federal Form 4868 automatically extends Indiana return deadline
Special Forms
Form SC-40 – Unified Tax Credit for the Elderly (Short Form)
- Simplified one-page form for qualifying seniors
- Available if qualify for Unified Tax Credit for Elderly and meet income requirements
- Download: https://www.in.gov/dor/tax-forms/individual/current/
Schedule CC-40 – College Credit
- For charitable contributions to Indiana colleges/universities
- Download: https://www.in.gov/dor/tax-forms/individual/current/
Schedule IT-2440 – Disability Retirement Deduction
- For certain disability retirement income
- Download: https://www.in.gov/dor/tax-forms/individual/current/
Key Publications
Income Tax Information Bulletins:
Bulletin #27 – Indiana Adjusted Gross Income Tax Applicable to Military Personnel
- Complete guidance for military personnel
- Download: https://www.in.gov/dor/files/ib27.pdf
Bulletin #28 – Domicile, Residency, and Adjusted Gross Income Tax Credits
- Comprehensive residency guidance
- Reciprocity agreements explained
- Download: https://www.in.gov/dor/files/ib28.pdf
Bulletin #06 – Civil Service Annuity Adjustment and Military Retirement or Survivor’s Benefits Deduction
- Federal civil service annuity deduction
- Military retirement deduction details
- Download: https://www.in.gov/dor/files/ib06.pdf
Bulletin #26 – Indiana Individual Income Tax Filing Requirements for Elderly Taxpayers
- Senior citizen benefits and requirements
- Download: https://www.in.gov/dor/files/ib26.pdf
Bulletin #59 – Summary of Tax Credits
- Complete list of all available credits
- Download: https://www.in.gov/dor/files/ib59.pdf
Where to Submit Paper Returns
Returns with payment due: Indiana Department of Revenue
P.O. Box 7224
Indianapolis, IN 46207-7224
Returns with refund or no payment due: Indiana Department of Revenue
P.O. Box 40
Indianapolis, IN 46206-0040
Important: Use correct address based on whether payment is due. Do not send to both addresses.
Where to Check for Updates
Current Tax Rate Information
State tax rate: https://www.in.gov/dor/resources/tax-rates-and-reports/rates-fees-and-penalties/
- Updated annually
- Official rate announcements
County tax rates: https://www.in.gov/dor/files/dn01.pdf (Departmental Notice #1)
- Updated semi-annually (January and October)
- Complete county rate schedule with withholding tables
Historical county rates: https://www.in.gov/dor/i-am-a/individual/individual-income-county-tax-rates-by-year/
Forms Library
Current year forms: https://www.in.gov/dor/tax-forms/individual/current/
- Available starting January each year
- Updated for each tax year
Prior year forms: https://www.in.gov/dor/tax-forms/individual/prior-year-forms/
- Access to previous tax years
- Required for amended returns
Legislative Changes
Tax Chapter (Annual Summary): https://www.in.gov/dor/files/tax-chapter.pdf
- Published annually
- Summarizes all tax changes for upcoming year
- Updated before filing season
Indiana General Assembly: https://iga.in.gov/
- Track current legislation
- Access to Indiana Code
- Legislative updates
Administrative Guidance
Income Tax Information Bulletins: https://www.in.gov/dor/legal-resources/income-tax-information-bulletins/
- Official DOR guidance
- Topic-specific bulletins
- Regularly updated
Indiana Administrative Code (Title 45): https://iar.iga.in.gov/
- Formal regulations
- Administrative rules
- Legal authority
Taxpayer Notices and Announcements
DOR News and Announcements: https://www.in.gov/dor/
- Breaking tax news
- Deadline reminders
- Special notices
Email Updates: Subscribe at Indiana DOR website for:
- Filing deadline reminders
- Legislative changes
- Important announcements
Future Updates
Note: This page will be reviewed and updated in January 2027 for Tax Year 2026. For real-time updates, always consult the official Indiana Department of Revenue website at https://www.in.gov/dor/
Penalties and Interest
Late Filing Penalty
Penalty: 10% of unpaid tax liability (minimum $5.00)
Applies when:
- Return filed after deadline without valid extension
- Extension granted but return not filed by extended deadline
How calculated:
- Based on tax due, not total tax liability
- Minimum penalty of $5.00 even if tax due is less
Statutory authority: IC 6-8.1-10-2.1
Source: https://www.in.gov/dor/resources/tax-rates-and-reports/rates-fees-and-penalties/
Late Payment Penalty
Penalty: 10% of unpaid tax
Applies when:
- Tax payment made after deadline
- Includes payments required to be made electronically but paid by other means
Source: https://www.in.gov/dor/resources/tax-rates-and-reports/rates-fees-and-penalties/
Substantial Underpayment Penalty
Penalty: 20% of tax liability
Applies when:
- Return prepared by DOR due to taxpayer’s failure to file
- Assessed by DOR when taxpayer does not file voluntarily
Source: https://www.in.gov/dor/resources/tax-rates-and-reports/rates-fees-and-penalties/
Fraudulent Return Penalty
Penalty: 100% of tax liability
Applies when:
- Filing fraudulent return
- Fraudulent intent to evade tax
- Most severe penalty for intentional violations
Source: https://www.in.gov/dor/resources/tax-rates-and-reports/rates-fees-and-penalties/
Interest on Unpaid Tax
Interest rate: Set by Indiana Department of Revenue quarterly
- Based on federal short-term rate plus specific adjustments
- Compounded daily
Current rates: Published quarterly at: https://www.in.gov/dor/resources/tax-rates-and-reports/rates-fees-and-penalties/
Applies to:
- Any unpaid tax from original due date
- Interest accrues until tax paid in full
- Cannot be waived (unlike penalties)
Source: https://www.in.gov/dor/resources/tax-rates-and-reports/rates-fees-and-penalties/
Underpayment of Estimated Tax Penalty
Penalty: Assessed when estimated tax payments insufficient
Safe harbor provisions – no penalty if:
- Paid at least 90% of current year’s tax liability through withholding and estimated payments, OR
- Paid at least 100% of prior year’s tax liability (110% if prior year federal AGI exceeded $150,000 / $75,000 if married filing separately)
Calculation: Based on quarterly underpayment amounts
- Penalty calculated for each quarter
- Use Form IT-2210 to calculate
- Annualized income method available (Form IT-2210A)
Farmers and fishermen: Special rules apply
- Single estimated payment deadline
- Different safe harbor provisions
Source: https://forms.in.gov/Download.aspx?id=16915
Penalty Abatement
Reasonable cause: Indiana DOR may waive penalties for reasonable cause.
Common reasonable cause situations:
- Death or serious illness
- Natural disaster
- Destruction of records
- Reliance on erroneous DOR advice
- First-time penalty (limited circumstances)
How to request:
- Written request to Indiana DOR
- Explain circumstances
- Provide supporting documentation
- Submit with return or separately
Note: Interest cannot be waived, only penalties
Source: https://www.in.gov/dor/
Information Verification Log
| Information Type | Source | Last Verified |
|---|---|---|
| State tax rate (3.0%) | https://www.in.gov/dor/resources/tax-rates-and-reports/rates-fees-and-penalties/ | February 17, 2026 |
| 2026 rate reduction (2.95%) | https://www.in.gov/dor/files/tax-chapter.pdf | February 17, 2026 |
| County tax rates | https://www.in.gov/dor/files/dn01.pdf | February 17, 2026 |
| Exemption amounts | https://forms.in.gov/Download.aspx?id=16915 | February 17, 2026 |
| Forms and instructions | https://www.in.gov/dor/tax-forms/individual/current/ | February 17, 2026 |
| Reciprocity agreements | https://www.in.gov/dor/files/ib28.pdf | February 17, 2026 |
| Military deductions | https://www.in.gov/dor/files/ib27.pdf | February 17, 2026 |
| Deductions and credits | https://www.in.gov/dor/i-am-a/individual/deductions/ | February 17, 2026 |
Official Resources
Indiana Department of Revenue
Main Website: https://www.in.gov/dor/
Tax Forms: https://www.in.gov/dor/tax-forms/individual/current/
Tax Rate Information: https://www.in.gov/dor/resources/tax-rates-and-reports/rates-fees-and-penalties/
County Tax Rates: https://www.in.gov/dor/i-am-a/individual/individual-income-county-tax-rates-by-year/
Online Filing Portal (INTIME): https://intime.dor.in.gov
Deductions Information: https://www.in.gov/dor/i-am-a/individual/deductions/
Tax Credits Information: https://www.in.gov/dor/i-am-a/individual/tax-credits/
Military Personnel Information: https://www.in.gov/dor/individual-income-taxes/information-for-military-service-members/
Senior Citizens Information: https://www.in.gov/dor/i-am-a/individual/seniors/
Income Tax Information Bulletins: https://www.in.gov/dor/legal-resources/income-tax-information-bulletins/
Indiana Code and Regulations
Indiana Code (Title 6 – Taxation): https://iga.in.gov/laws/
- IC 6-3: Adjusted Gross Income Tax
- IC 6-3.6: Local Income Tax
Indiana Administrative Code (Title 45): https://iar.iga.in.gov/
- 45 IAC 3.1: Adjusted Gross Income Tax regulations
Indiana General Assembly: https://iga.in.gov/
- Legislative information
- Bill tracking
- Session information
Contact Information
Phone:
- General inquiries: (317) 232-2240
- Individual income tax: (317) 232-2240
- Toll-free (within Indiana): 1-800-457-8283
Hours: Monday – Friday, 8:00 AM – 4:30 PM Eastern Time
Email: Contact form available at: https://www.in.gov/dor/contact-us/
Mailing Address: Indiana Department of Revenue
Indiana Government Center
100 N. Senate Avenue
Indianapolis, IN 46204
Taxpayer Advocate
Indiana Taxpayer Advocate Office:
Purpose: Assists taxpayers who have been unable to resolve issues through normal DOR channels
Phone: (317) 232-4692
When to contact:
- Exhausted normal DOR resolution channels
- Significant hardship due to tax issue
- Need assistance navigating DOR processes
Source: https://www.in.gov/dor/
Free Tax Assistance
VITA (Volunteer Income Tax Assistance):
- Free for taxpayers earning $66,000 or less
- Find locations: https://irs.treasury.gov/freetaxprep/
TCE (Tax Counseling for the Elderly):
- Free for taxpayers age 60 and older
- Specializes in pension and retirement issues
- Find locations: https://irs.treasury.gov/freetaxprep/
AARP Foundation Tax-Aide:
- Free for low- to moderate-income taxpayers
- Focus on taxpayers age 50+
- Find locations: https://www.aarp.org/money/taxes/aarp_taxaide/
Indy Free Tax Prep:
- Free for Indiana residents with household income $66,000 or less
- Indianapolis-area locations
- Information: https://indyfreetaxprep.org/
Tax Glossary
Adjusted Gross Income (AGI): Total income minus specific deductions allowed by federal law. Indiana uses federal AGI as the starting point for calculating Indiana tax.
Indiana Adjusted Gross Income: Federal AGI plus required Indiana add-backs, minus Indiana deductions.
Taxable Income: Indiana adjusted gross income minus personal exemptions. This is the amount on which Indiana tax is calculated.
Resident: Individual who maintains domicile in Indiana or meets Indiana’s statutory residency requirements.
Domicile: Your permanent legal home – the place you intend to return to indefinitely and consider “home.”
Non-Resident: Individual who does not meet Indiana’s residency requirements but has income from Indiana sources.
Part-Year Resident: Individual who moved into or out of Indiana during the tax year, changing domicile.
Reciprocity: Agreement between states where residents working across state lines pay tax only to their state of residence. Indiana has reciprocity with Kentucky, Michigan, Ohio, Pennsylvania, and Wisconsin.
County Income Tax: Local income tax levied by all 92 Indiana counties in addition to state income tax. Mandatory statewide system with rates varying by county.
Withholding: Tax deducted from your paycheck by your employer and sent to Indiana DOR on your behalf. Includes both state and county income tax.
Tax Credit: Dollar-for-dollar reduction in tax owed (e.g., $500 credit reduces tax by $500).
Tax Deduction: Reduces adjusted gross income before calculating tax (e.g., $500 deduction reduces taxable income by $500, saving approximately $15-30 depending on tax rate).
Personal Exemption: Fixed dollar amount ($1,000) that reduces Indiana adjusted gross income for each qualifying exemption claimed.
Dependent Exemption: Additional exemption ($1,500) for each qualifying dependent claimed on return.
Filing Status: Category determining how tax is calculated (Single, Married Filing Jointly, Married Filing Separately, Head of Household).
INTIME: Indiana Taxpayer Information Management Engine – Indiana DOR’s online portal for filing returns, making payments, and managing tax accounts.
30-Day Safe Harbor: Provision allowing non-resident employees who work in Indiana for 30 days or less to avoid Indiana income tax on wages (subject to exceptions).
Military Home of Record: State of legal residence when enlisted in military – determines state income tax obligations for military personnel.
SCRA: Servicemembers Civil Relief Act – federal law protecting military personnel from certain state tax obligations.
MSRRA: Military Spouses Residency Relief Act – allows military spouses to maintain home state residency when living with servicemember.
Update History
This section documents all material changes to Indiana income tax information on this page.
February 2026 – Initial Publication
Major content published:
- Comprehensive Indiana income tax guide for Tax Year 2025
- State rate: 3.0% (reduction from 3.05% in 2024)
- Scheduled reduction to 2.95% for Tax Year 2026
- All county tax rate information updated from Departmental Notice #1
- Military deductions updated to include Space Force, Public Health Service, and NOAA (effective January 1, 2025)
- Reciprocity agreements confirmed with five states
- All forms, schedules, and publications verified
Sources verified:
- Indiana Department of Revenue official website
- Form IT-40 and IT-40PNR instructions for 2025 tax year
- Departmental Notice #1 (October 2025)
- Income Tax Information Bulletins (IB #6, #27, #28, #59, #117)
- Tax Chapter 2025
- Indiana Code Title 6
Last comprehensive verification: February 17, 2026
Future Updates Planned
January 2027 – Tax Year 2026 Update:
- Update tax rate to 2.95% (scheduled reduction)
- Verify county tax rates from new Departmental Notice #1
- Update forms and instructions for 2026 tax year
- Review legislative changes from 2026 General Assembly session
- Update all source links
Mid-Year 2026 Review (If Needed):
- Monitor for emergency legislation
- Track any mid-year county rate changes (October 2026)
- Update for any significant regulatory changes
Verification Schedule
Annual Update: January (new tax rates and forms)
- State tax rate verification
- County tax rates update
- New forms and instructions
- Legislative changes from prior year’s session
Mid-Year Review: June-July
- Legislative changes from spring session
- Mid-year regulatory changes
- Form updates if applicable
Quarterly Source Link Check:
- Verify all .gov URLs remain functional
- Update broken links
- Add new official resources as available
Continuous Monitoring:
- Emergency tax legislation
- Disaster relief provisions
- Court decisions affecting Indiana tax law
- DOR guidance updates
Next scheduled comprehensive review: January 2027
For real-time updates between scheduled reviews: Always consult the official Indiana Department of Revenue website at https://www.in.gov/dor/