Iowa Paycheck Calculator
From gross salary to the number that actually hits your bank account
Starting January 1, 2025, Iowa made a major tax reform: the state replaced its old progressive income tax brackets (which once topped out at 8.98%) with a single flat rate of 3.8% on all taxable individual income. It doesn't matter whether you earn $20,000 or $500,000 — the Iowa state income tax rate is the same 3.8%.
This is a significant simplification and, for most middle- and higher-income Iowans, a meaningful tax cut compared to prior years. Iowa now joins a growing list of flat-tax states, making paycheck planning straightforward: your Iowa state withholding is essentially 3.8% of your taxable wages.
What else comes out of your paycheck? Iowa residents still owe federal income tax (10%–37% brackets depending on income and filing status) and FICA taxes — Social Security at 6.2% (up to the wage base) and Medicare at 1.45% — regardless of the state they live in.
Worked example on a $75,000 salary: A single filer earning $75,000/year in Iowa would owe approximately $2,850 in state income tax (3.8% × $75,000, before standard deduction adjustments). After federal taxes ($9,600 estimated) and FICA ($5,738), estimated annual take-home pay is roughly $56,800–$57,800, or about $4,733–$4,817 per month. These are estimates — actual withholding depends on deductions, credits, and W-4 elections.
Compared to no-income-tax states like Florida or Texas, Iowa's 3.8% flat rate adds roughly $237/month in state tax on a $75k salary — but Iowa's overall tax burden has dropped significantly since 2018.
Practical example — Iowa
On a $75,000 annual salary in Iowa, the state income tax at the 3.8% flat rate is approximately $2,850/year; combined with federal taxes and FICA, estimated take-home pay is around $56,800–$57,800 per year.
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❓ Frequently asked questions
Does Iowa have a state income tax?
Yes. Iowa has a state income tax. Starting in 2025, Iowa moved to a flat rate of 3.8% on all taxable individual income, replacing the previous multi-bracket progressive system.
What is Iowa's income tax rate in 2025?
Iowa's 2025 state income tax rate is a flat 3.8% on all taxable income. There are no longer multiple brackets — every dollar of taxable income is subject to the same 3.8% rate, whether you earn $30,000 or $300,000.
How much is taken out of a paycheck in Iowa?
For a typical Iowa employee, paycheck deductions include: federal income tax (varies by income/filing status), Social Security (6.2%), Medicare (1.45%), and Iowa state income tax (3.8% flat). On a $75,000 annual salary, Iowa state tax withholding is approximately $2,850/year, or about $237/month.
Did Iowa lower its income tax rate recently?
Yes, substantially. Iowa's top marginal rate was 8.98% as recently as 2018. Through a series of phased reductions under Iowa Senate File 2442, the rate dropped each year and reached a flat 3.8% in 2025. Further reductions are scheduled for future years.
How does Iowa's income tax compare to no-tax states?
States like Florida, Texas, Nevada, and Washington have no state income tax. Iowa's 3.8% flat rate means an additional tax burden compared to those states — for example, roughly $2,850/year on a $75,000 salary. However, Iowa's rate is now one of the more competitive among states that do impose an income tax.