Iowa W-4 Withholding Calculator 2026

Federal + Iowa state income tax side-by-side.

Tip: Start from the federal W-4 calculator to pre-fill your pay and federal results here automatically.

Your Paycheck

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Filing Status

Credits & Adjustments (Optional)

Leave blank if you're not sure — these only affect your federal withholding.

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$2,000 per child under 17 · $500 per other dependent. Reduces your withholding.

$

Add extra to cover side income, freelance, or investment income each paycheck.

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Non-wage income: freelance, dividends, rental income. Annual total.

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If you itemize and deductions exceed the standard deduction. Annual total.

File your Iowa return

Total withholding per paycheck

$328

$8,532 / year

Annual gross$65,000
Federal per paycheck$236
Social Security + Medicare$191
State per paycheck$92
Est. take-home per paycheck$1,981

Gross pay minus federal, FICA, and state taxes

Federal

Taxable income$50,000
Income tax$6,146
Per paycheck$236
Effective rate9.5%
Marginal rate22.0%

Iowa State Tax

Annual state tax$2,386
Per paycheck$92
Effective rate3.7%
Marginal rate3.8%

Iowa is phasing to a flat tax. Rate may decrease further in 2027.