Iowa Income Tax Calculator (2026)
Estimate your Iowa income tax — federal plus Iowa state income tax. Uses 2026 tax brackets and standard deductions.
Iowa Tax Note: Iowa has a flat state income tax with a top rate of 3.8%. State tax is included in the estimate below.
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Iowa Tax Estimate
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$75,000 single filer in Iowa (2026)
In Iowa, a $75,000 single filer pays federal income tax plus Iowa state income tax (flat rate). Social Security (6.2%) and Medicare (1.45%) apply on top.
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