Iowa Income Tax Calculator
Estimate your 2026 federal and Iowa state income tax, FICA and take-home pay from your income and filing status.
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About the Iowa Income Tax Calculator
This Iowa income tax calculator estimates your 2026 federal income tax, Social Security and Medicare tax and Iowa state income tax from your income and filing status. It applies the IA state brackets, standard deduction and personal exemption, and shows your take-home pay.
How to use it
- Enter your annual income and filing status.
- Add pre-tax deductions such as 401(k) and HSA contributions.
- Press Calculate tax to see your federal, FICA and Iowa state tax and take-home pay.
Iowa income tax brackets for 2026 (single filers)
Iowa taxes wage income with a flat rate of 3.8%. The state standard deduction is $16,100 and the personal exemption is $0 for single filers where applicable.
| Taxable income | Rate |
|---|---|
| $0 and up | 3.8% |
Source: Tax Foundation, 2026 state individual income tax rates and brackets. Local taxes are not included.
Iowa state income tax at common salaries
| Gross income | IA income tax | Effective rate |
|---|---|---|
| $40,000 | $868 | 2.17% |
| $60,000 | $1,628 | 2.71% |
| $80,000 | $2,388 | 2.99% |
| $100,000 | $3,148 | 3.15% |
| $150,000 | $5,048 | 3.37% |
Single filer, after the state standard deduction and personal exemption.
Frequently asked questions
How much is state income tax in Iowa?
As of 2026, Iowa has a flat income tax rate of 3.8%.
What is the Iowa standard deduction?
For single filers the Iowa standard deduction is $16,100. Rules can differ by filing status.
How much tax would I pay on $80,000 in Iowa?
A single filer with $80,000 of income pays about $2,388 in IA state income tax, an effective rate of 2.99%.
Does Iowa tax Social Security?
Most states do not tax Social Security benefits, but a few do. Check the state revenue department for current rules.
Does this include local income tax?
No. Some cities and counties levy local income taxes. Confirm with your local government.
Last reviewed: November 2026. Estimates only, not tax advice.