Iowa has moved from a graduated bracket system to a flat 3.8% state income tax, dramatically simplifying its tax code. This Iowa paycheck calculator combines federal income tax, Social Security, Medicare, and Iowa's flat state tax to show your real 2026 take-home pay.
How Iowa state income tax works
Iowa levies a flat 3.8% state income tax on personal income. The state phased out its old graduated brackets (which once topped 8.98%) in favor of a single rate, with the goal of further reductions in coming years.
Iowa's state standard deduction matches the federal amount of $16,100 single / $32,200 joint, which the calculator subtracts from your wage base before applying the 3.8% rate. That generous deduction keeps the effective rate well under 3.8% for lower- and middle-income workers.
Iowa paycheck FAQ
›Does Iowa have a state income tax?
Yes. Iowa levies a flat 3.8% income tax on personal income, having phased out its old graduated brackets.
›What is the Iowa income tax rate?
A flat 3.8% on personal income, applied after a generous federal-matching state standard deduction.
›How much is take-home pay on $75,000 in Iowa?
A single filer earning $75,000 in Iowa with no pre-tax deductions takes home roughly $57,000 to $58,000 per year after federal, FICA, and Iowa state tax.
›Did Iowa really cut its top tax rate that much?
Yes. Iowa's top rate was once nearly 9%. The state phased out graduated brackets over several years and now applies a single 3.8% flat rate.
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