State Income Tax
Indiana imposes a state income tax using a flat rate of 3.05% on all taxable income regardless of income level. The filing deadline is 2026-04-15. Social Security benefits are exempt from Indiana state income tax. Retirement income is generally taxable. Social Security exempt; military pension fully exempt; some other pension deductions apply.
Retirement Income Details
Social Security exempt; military pension fully exempt; some other pension deductions apply.
Does Indiana have a state income tax?
Yes. Indiana has a state income tax with a flat rate of 3.05%.
What is the Indiana income tax rate?
Indiana uses a flat tax rate of 3.05% on all taxable income. This means all taxpayers pay the same rate regardless of how much they earn.
Is Social Security taxed in Indiana?
No. Indiana does not tax Social Security benefits, which can be significant for retirees living on fixed incomes.
Is retirement income taxed in Indiana?
Yes. Indiana generally taxes retirement income. Social Security exempt; military pension fully exempt; some other pension deductions apply.
When is the Indiana income tax filing deadline?
The Indiana state income tax filing deadline is 2026-04-15. You can file and pay through the official Indiana Department of Revenue portal.
What is the standard deduction in Indiana?
Indiana's standard deduction is not available for single filers. A personal exemption of $1,000 (single) may also apply.
How does Indiana income tax compare to neighboring states?
Indiana's top rate of 3.05% is relatively low compared to most states. Use the comparison table above to see how neighboring states compare.
Official Payment Portal
Indiana Department of Revenue
Last verified: 2026-03-31 · Always consult a tax professional before making financial decisions.