Skip to main content
IA

Iowa Income Tax Calculator 2026 — Federal + State Combined

Flat 3.8% rate (reformed from progressive). Affordable cost of living. Des Moines insurance hub.

Flat 3.8% state income tax

United States Tax Calculator

$
$0$250k$500k

Federal + Iowa Combined Tax — 2026

Includes federal income tax, Iowa state tax, and FICA (Social Security 6.2% + Medicare 1.45%).

Gross Income Federal Tax IA State Tax FICA Take-Home Eff. Rate
$50,000 $3,820 $1,345 $3,825 $41,010 18.0%
$75,000 $7,670 $2,295 $5,738 $59,297 20.9%
$100,000 $13,170 $3,245 $7,650 $75,935 24.1%
$150,000 $24,734 $5,145 $11,475 $108,646 27.6%

Iowa State Income Tax Brackets (2026)

Iowa uses a flat tax rate applied to all taxable income after a $14,600 standard deduction.

3.8%
Flat rate on all taxable income
Standard deduction: $14,600

Other Taxes in Iowa (2026)

State Sales Tax
6%
Local taxes may apply
Avg. Property Tax
1.52%
% of home assessed value
Cost of Living
89
Index (100 = US average)

Frequently Asked Questions

What is the Iowa income tax rate for 2026?

Iowa has a flat 3.8% state income tax in 2026, applied after a $14,600 standard deduction. At $75,000 gross income, state tax is approximately $2,295.

What is total (federal + state) take-home on $100,000 in Iowa?

On $100,000 in Iowa (2026): Federal income tax ≈ $13,170, Iowa state tax ≈ $3,245, FICA (SS + Medicare) ≈ $7,650. Total taxes: $24,065. Take-home: $75,935 (24.1% combined effective rate).

Does Iowa have sales tax?

Iowa's state sales tax rate is 6%. Local jurisdictions (cities and counties) may add additional taxes, so the combined rate you pay may be higher.

How does Iowa compare globally?

See how your take-home pay in Iowa compares to other countries like the UK, Germany, Canada, Singapore, and Australia.

Compare US vs Other Countries →
18 source documents from IRS, OECD & governments
Deterministic math — never AI-generated numbers
Updated for 2026 tax year