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Iowa State Income Tax Calculator (2025)

Calculate your Iowa state income tax for 2025. Flat 3.8% rate, federal conformity standard deduction, and tax reform history.

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Iowa State Tax

$2,198

2.93%

IA Effective Rate

Effective Rate

2.93%

Taxable Income

$58,900

After-Tax Income

$72,802

Summary

On $75,000 gross income, you owe an estimated $2,198 in Iowa state taxes for 2026.

Iowa uses a flat 3.80% tax rate for 2026. The state completed a dramatic transition from 9 progressive brackets (0.33%–8.53%) in 2021 to a single flat rate.

Iowa conforms to the federal standard deduction starting 2023 — using $16,100 for Single.

Iowa uses a flat 3.80% rate on all taxable income for 2026. Your $58,900 in taxable income results in $2,198 of state tax.

Iowa state income tax only. Does not account for additional credits, local taxes, or special situations. Not tax advice.

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