Iowa Tax Brackets 2025
Iowa state income tax rates for tax year 2025 — 3 progressive brackets from 4.4% to 5.7%, with separate thresholds for single filers and married filing jointly.
Tax year
2025
Type
Progressive
Rate range
4.4%–5.7%
Brackets
3
Iowa state tax at common incomes (2025)
| 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).
2025 brackets — Single filer
| Taxable income | Rate |
|---|---|
| $0 – $6,210 | 4.4% |
| $6,210 – $31,050 | 4.82% |
| Over $31,050 | 5.7% |
2025 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 2025 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.
Frequently asked questions
What are the Iowa tax brackets for 2025?
Iowa has 3 progressive brackets for 2025, 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 2025?
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 2025?
A single filer with $100,000 of taxable income owes $5,401 in Iowa state income tax for 2025 — 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 2025 tax brackets the same as 2024?
Bracket thresholds may have changed for 2025 via inflation indexing or legislative action. The figures on this page are the Iowa bracket thresholds in effect for tax year 2025.