Iowa Income Tax Rates 2025
Iowa has a progressive income tax system with 4 brackets ranging from 4.4% to 5.7%. The state has been gradually reducing its rates in recent years as part of a phased tax reform plan.
Tax Type
Progressive
Rate Range
4.4% – 5.7%
Brackets
4
2025 Tax Brackets — Single Filer
| Taxable Income | Rate |
|---|---|
| $0 – $6,210 | 4.4% |
| $6,210 – $31,050 | 4.82% |
| $31,050 – $62,100 | 5.22% |
| Over $62,100 | 5.7% |
How It Works
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.