Iowa Income Tax Brackets 2026
Rates verified October 15, 2026
Iowa taxes wages at a flat 3.8% for 2026.
Iowa brackets for 2026
Single
| Taxable income | Rate |
|---|---|
| All taxable income | 3.8% |
Married filing jointly
| Taxable income | Rate |
|---|---|
| All taxable income | 3.8% |
Married filing separately
| Taxable income | Rate |
|---|---|
| All taxable income | 3.8% |
Head of household
| Taxable income | Rate |
|---|---|
| All taxable income | 3.8% |
- Iowa starts from federal taxable income, so the federal standard deduction already applies.
Iowa income tax on common incomes
Single filer, wages only, standard deduction, 2026 rates. Federal tax is extra.
| Income | Iowa tax | Average rate | Rate on the last dollar |
|---|---|---|---|
| $30,000 | $528 | 1.8% | 3.8% |
| $50,000 | $1,288 | 2.6% | 3.8% |
| $75,000 | $2,238 | 3% | 3.8% |
| $100,000 | $3,188 | 3.2% | 3.8% |
| $150,000 | $5,088 | 3.4% | 3.8% |
| $200,000 | $6,988 | 3.5% | 3.8% |
| $300,000 | $10,788 | 3.6% | 3.8% |
Federal brackets
Federal income tax applies on top of Iowa's. US federal brackets for 2026.
Frequently asked questions
What are the Iowa income tax brackets for 2026?
Iowa taxes wages at a flat 3.8% for 2026.
How much state income tax is owed on $75,000?
About $2,238 for a single filer with no other deductions: an average rate of 3%, with the last dollar taxed at 3.8%.
Does moving into a higher bracket mean all my income is taxed more?
No. Each rate applies only to the part of taxable income inside its bracket, so a raise that crosses into a higher bracket is taxed at the higher rate only above the threshold.
Take-home pay in Iowa
Sources
- Iowa Department of Revenue announces 2026 individual income tax rate: flat 3.8% (rate; checked October 15, 2026)
- Iowa 1040 expanded instructions: flat 3.8% on Iowa taxable income, which starts from federal taxable income (tax base; checked October 15, 2026)
Estimates for information only; not tax, legal or financial advice. See our methodology.