Indiana Income Tax Calculator 2026
Estimate your 2026 Indiana state and federal income tax. Includes Indiana tax brackets, a worked dollar example, and filing tips.
Key Tax Facts: Indiana
- Flat 3.05% rate, decreasing toward 2.9% by 2026
- County income taxes range from 0.5% to 3.38% on top of state rate
- Social Security benefits are exempt
- Military pay earned outside Indiana is exempt
Indiana State Income Tax Overview
Indiana uses a flat state income tax rate of 3.05% for 2024, with reductions scheduled in future years as part of ongoing tax reform legislation. Indiana also allows county income taxes, which vary by county and generally range from 0.5% to 3.38%, meaning your total Indiana income tax rate depends on where you live. Indiana provides a $1,000 personal exemption per taxpayer and an additional exemption for dependents. The state also offers a $1,000 exemption for residents over 65 and for those who are blind or disabled. Indiana generally conforms to federal adjusted gross income with certain modifications.
Indiana Income Tax Rate (2026) projected
Indiana uses a flat income tax rate -- the same percentage applies to all taxable income regardless of how much you earn.
Source: Indiana Department of Revenue
What a Indiana Resident Actually Pays: A Worked Example
| Taxable Income | $65,000.00 |
| Indiana Flat Rate | 3.05% |
| Estimated State Tax | $1982.50 |
| Effective Rate | 3.05% |
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Frequently Asked Questions -- Indiana Income Tax
Does Indiana have a state income tax?
Yes. Indiana imposes a state income tax with a flat rate of 3.05%. This is separate from your federal income tax obligation.
What is the Indiana income tax rate for 2026?
Indiana uses a flat income tax rate of 3.05% on all taxable income, regardless of income level or filing status.
Do I have to file a Indiana state tax return?
Most full-year Indiana residents with income above the state filing threshold must file a state return. Check the Indiana Department of Revenue for current thresholds and requirements.
How accurate is this Indiana state tax estimate?
This is a planning estimate. The state result uses Indiana's published brackets but does not account for all state deductions, credits, exemptions, or local taxes. Verify with official Indiana tax forms or a qualified tax professional.
Does this calculator include federal income tax?
Yes. The results show your estimated Indiana state income tax and your federal income tax using 2026 federal brackets (projected until the IRS publishes official 2026 figures) -- your full combined picture in one place.
Where can I find official Indiana tax forms?
Official forms, instructions, and filing guidance are available at the Indiana Department of Revenue.
What is the sales tax rate in Indiana?
Indiana's combined state and average local sales tax rate is 7%. This is separate from income tax and applies to most retail purchases -- use our sales tax calculator to check a specific purchase.
When are Indiana 2026 state taxes due?
2026 taxes are generally filed in 2027. The Indiana filing deadline is April 15, 2027, the same as the federal deadline.
Understanding Your Indiana Tax Estimate
Your results combine two separate bills: federal tax owed to the IRS, and Indiana state tax owed to the Indiana Department of Revenue. The state return is filed separately from your federal Form 1040, with a state filing deadline of April 15. For the mechanics of how bracket math actually works -- why your effective rate is almost always lower than your top bracket -- see our marginal vs. effective tax rate guide.
Lowering Your Indiana Bill
Pre-tax retirement contributions reduce your federal and Indiana taxable income in the same move -- see our 401(k) contribution limits and HSA limits guides for the current caps. Beyond that, Indiana-specific credits and deductions that don't exist at the federal level are listed at the Indiana Department of Revenue -- worth checking, since these are easy to miss if you only look at federal guidance.
Combined Sales + Income Tax Picture
Indiana's combined state-plus-average-local sales tax rate is 7%. If you're self-employed, that's an added layer on top of income tax -- our self-employment tax calculator covers the SE-specific piece separately.
Disclaimer: Estimates for educational purposes only. State tax results are approximations based on published bracket data and do not account for all deductions, credits, exemptions, local taxes, or individual situations. Not tax, legal, or financial advice. Consult the Indiana Department of Revenue or a qualified tax professional for guidance specific to your situation.