Iowa income tax calculator
Estimate your Iowa take-home pay after federal tax, FICA, and Iowa income tax. Iowa has a flat 3.8% state income tax. Set your salary and filing status to see the breakdown.
Your salary
Annual salary
$Filing status
Take-home pay
$75,992Federal
$13,170FICA
$7,650Iowa
$3,188Iowa state income tax rates for 2026
- Iowa taxes every dollar of taxable income at a single 3.8% rate, after the modeled deduction, before credits. Your effective rate on gross income may be lower.
- The model uses a Iowa standard deduction of $16,100 for a single filer and $32,200 filing jointly.
- Iowa completed its move to a single flat rate in 2025 and conforms to the federal standard deduction.
Frequently asked questions
Iowa applies a flat 3.8% state income tax to taxable income, regardless of how much you earn.
It uses 2026 federal figures and 2026 Iowa brackets: federal income tax with the standard deduction, FICA (Social Security up to the wage base plus Medicare) and Iowa income tax after the deductions modeled on this page. It assumes one wage earner, even on a joint return. It leaves out local or city taxes, itemized deductions, credits, other withholdings and some state adjustments, so your actual tax depends on your full return.
No. It is an estimate for planning, not tax advice or a paycheck guarantee. It uses 2026 federal figures and 2026 Iowa brackets. Your real tax depends on deductions, credits, other income, and local taxes. Confirm with a tax professional before making decisions.
Yes. Nino’s AI software brings your accounts together so you can explore tax questions alongside your wider finances. Add a human CPA and CFP team for a financial plan, tax planning and filing, and help taking the next steps. Software starts at $20/month; services start at $3,600/year including Ultra software. Your service quote depends on the work involved.