US Tax Tools

Iowa Tax Brackets 2026

Iowa state income tax rates for tax year 20263 progressive brackets from 4.4% to 5.7%, with separate thresholds for single filers and married filing jointly.

Tax year

2026

Type

Progressive

Rate range

4.4%–5.7%

Brackets

3

Iowa state tax at common incomes (2026)

Taxable income Single — tax Single — effective MFJ — tax MFJ — effective
$50,000 $2,551 5.10% $2,358 4.72%
$75,000 $3,976 5.30% $3,676 4.90%
$100,000 $5,401 5.40% $5,101 5.10%
$150,000 $8,251 5.50% $7,951 5.30%
$250,000 $13,951 5.58% $13,651 5.46%
$500,000 $28,201 5.64% $27,901 5.58%

State income tax only. Excludes federal tax, FICA, and local/city taxes. Assumes taxable income (after deductions).

2026 brackets — Single filer

Taxable income Rate
$0 – $6,210 4.4%
$6,210 – $31,050 4.82%
Over $31,050 5.7%

2026 brackets — Married filing jointly

Taxable income Rate
$0 – $12,420 4.4%
$12,420 – $62,100 4.82%
Over $62,100 5.7%

About Iowa's 2026 rates

Iowa uses a progressive tax system where higher portions of income are taxed at higher rates. Iowa does not tax Social Security benefits and offers a retirement income exclusion for qualifying taxpayers. The state has been phasing in rate reductions as part of a 2022 tax reform law.

View 2025 Iowa tax brackets for comparison.

Frequently asked questions

What are the Iowa tax brackets for 2026?

Iowa has 3 progressive brackets for 2026, ranging from 4.4% on the lowest bracket up to 5.7% on income above $31,050 (single filer). See the full table above for every rate and threshold.

What is the top Iowa income tax rate in 2026?

5.7%, applied to taxable income above $31,050 for single filers ($62,100 for married filing jointly).

How much Iowa state tax on $100,000 in 2026?

A single filer with $100,000 of taxable income owes $5,401 in Iowa state income tax for 2026 — an effective rate of 5.40%. Married filing jointly with the same income owes $5,101 (5.10% effective). Federal tax is separate.

Are Iowa 2026 tax brackets the same as 2025?

Bracket thresholds may have changed for 2026 via inflation indexing or legislative action. The figures on this page are the Iowa bracket thresholds in effect for tax year 2026.

Explore more Iowa tax info

Related Calculators

Last updated May 14, 2026 Tax year 2025-26

Data sources: IRS (irs.gov), Social Security Administration

This tool is general information only, not financial advice.

Reviewed by USTax Tools Editorial Desk

Read our methodology →