Iowa Tax Calculator 2025
Estimate your federal and Iowa state taxes for the 2025 tax year.
Pre-configured for Iowa residents, 2025 tax year. Planning ahead? Iowa Tax Calculator 2026 has the new 2026 brackets and enacted rate changes.
Your numbers
Pre-tax contributions
$2,200 federal Child Tax Credit each, applied to your 2025 liability.
Estimate your refund (optional)
Enter what was withheld this year — W-2 box 2 (federal) and box 17 (state) — to compare against your estimated liability.
$59,102 per year, shown per month
of gross income, all taxes
federal + IA on your next dollar
Estimate only, for a single W-2 earner taking the standard deduction. Many Iowa school districts levy an income surtax of up to 20% of your state tax liability, reported on the IA 1040. Itemized deductions and most credits beyond the Child Tax Credit aren't modeled.
Only the top slice pays 22%
Federal tax is progressive: each bracket taxes only the income inside it. Here is how your $59,250 of taxable income fills the 2025 brackets.
Understanding Iowa Income Taxes
Residents of Iowa pay state income tax on top of federal taxes. The amount you owe depends on your taxable income, filing status, and the deductions and credits Iowa allows.
Key Takeaways for 2025
- Federal tax brackets and standard deductions have been adjusted for inflation (and raised retroactively by the One Big Beautiful Bill Act).
- Iowa's own rates and exemptions are applied to your state estimate automatically.
- Many Iowa school districts levy an income surtax of up to 20% of your state tax liability, reported on the IA 1040.
- Don't forget FICA taxes (Social Security and Medicare) — they're withheld from your paycheck automatically and included in the take-home figure above.
Go Deeper on Your 2025 Taxes
Federal tax tools
- Federal Income Tax Calculator — brackets, deductions, and your effective rate
- Tax Bracket Calculator — see which bracket your income lands in
- Paycheck Tax Calculator — per-paycheck withholding and take-home
- Marriage Tax Calculator — filing jointly vs. separately
- W-4 Withholding Calculator — is your paycheck withholding on target?
- Estimated Tax Calculator — quarterly 1040-ES vouchers for 1099 income
- 2026 State Tax Changes — every enacted cut, verified
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Frequently Asked Questions
What is the Iowa state income tax rate for 2025?
Iowa has a flat 3.8% state income tax for the 2025 tax year — every taxpayer pays the same rate regardless of income. Iowa consolidated its brackets into a single 3.8% flat rate starting in 2025, taxing federal taxable income directly.
How is Iowa state income tax calculated?
Iowa applies its flat 3.8% rate to your federal taxable income (income after the federal standard deduction). This calculator applies the latest published Iowa figures automatically.
How much tax will I pay on a $75,000 salary in Iowa?
Roughly $2,212 in Iowa state income tax for a single filer taking the standard deduction in 2025. Add about $7,949 of federal income tax and $5,738 of FICA (7.65%), for total taxes near $15,898 and take-home around $59,102. Credits and other income can change this.
What percentage of your paycheck goes to taxes in Iowa?
About 21.2% for a single filer earning $75,000 in 2025: federal income tax (~10.6%), FICA (7.65%), and Iowa state tax (~2.9%). Your exact percentage depends on income, filing status, and pre-tax contributions like a 401(k).
Does Iowa tax Social Security benefits?
No. Iowa does not tax Social Security benefits.
Does Iowa tax retirement income like 401(k) or pension withdrawals?
Iowa fully excludes retirement income — pensions, 401(k)/IRA distributions and annuities — for taxpayers 55 or older (since 2023); Social Security is exempt at every age.
Are there local income taxes in Iowa?
Many Iowa school districts levy an income surtax of up to 20% of your state tax liability, reported on the IA 1040. This calculator estimates state-level tax only.