Iowa Tax Tables for 2021
The 2021 Iowa Tax Tables summarise the state-level rules applied to wages, deductions, credits and taxable income. These tables match the rules used by the Iowa State Tax Calculator 2021.
On This Page
Quick Access Tools
Iowa Tax Tables for 2021
The tables below outline the income tax structure, deduction amounts, state-level credits and payroll-related rules used for Iowa in 2021. Iowa uses filing-status–specific progressive income tax tables. Income is divided into brackets and each portion is taxed at its marginal rate. The table below shows the full structure for this filing status. For a full explanation of marginal brackets, see our Tax Tables guide.
Single – Progressive Tax Brackets (2021)
Marginal income tax brackets for Single filers in Iowa for 2021. Only the portion of income within each bracket is taxed at the stated rate.
| Bracket | Range | Rate |
|---|---|---|
| 1 | $ 0.00 to $ 1,676.00 | 0.33% |
| 2 | $ 1,676.00 to $ 3,352.00 | 0.67% |
| 3 | $ 3,352.00 to $ 6,704.00 | 2.25% |
| 4 | $ 6,704.00 to $ 15,084.00 | 4.14% |
| 5 | $ 15,084.00 to $ 25,140.00 | 5.63% |
| 6 | $ 25,140.00 to $ 33,250.00 | 5.96% |
| 7 | $ 33,250.00 to $ 50,280.00 | 6.25% |
| 8 | $ 50,280.00 to $ 75,240.00 | 7.44% |
| 9 | $ 75,240.00 and over | 8.53% |
Married filing jointly – Progressive Tax Brackets (2021)
Marginal income tax brackets for Married filing jointly filers in Iowa for 2021. Only the portion of income within each bracket is taxed at the stated rate.
| Bracket | Range | Rate |
|---|---|---|
| 1 | $ 0.00 to $ 1,676.00 | 0.33% |
| 2 | $ 1,676.00 to $ 3,352.00 | 0.67% |
| 3 | $ 3,352.00 to $ 6,704.00 | 2.25% |
| 4 | $ 6,704.00 to $ 15,084.00 | 4.14% |
| 5 | $ 15,084.00 to $ 25,140.00 | 5.63% |
| 6 | $ 25,140.00 to $ 33,250.00 | 5.96% |
| 7 | $ 33,250.00 to $ 50,280.00 | 6.25% |
| 8 | $ 50,280.00 to $ 75,240.00 | 7.44% |
| 9 | $ 75,240.00 and over | 8.53% |
Married filing separately – Progressive Tax Brackets (2021)
Marginal income tax brackets for Married filing separately filers in Iowa for 2021. Only the portion of income within each bracket is taxed at the stated rate.
| Bracket | Range | Rate |
|---|---|---|
| 1 | $ 0.00 to $ 1,676.00 | 0.33% |
| 2 | $ 1,676.00 to $ 3,352.00 | 0.67% |
| 3 | $ 3,352.00 to $ 6,704.00 | 2.25% |
| 4 | $ 6,704.00 to $ 15,084.00 | 4.14% |
| 5 | $ 15,084.00 to $ 25,140.00 | 5.63% |
| 6 | $ 25,140.00 to $ 33,250.00 | 5.96% |
| 7 | $ 33,250.00 to $ 50,280.00 | 6.25% |
| 8 | $ 50,280.00 to $ 75,240.00 | 7.44% |
| 9 | $ 75,240.00 and over | 8.53% |
Head of household – Progressive Tax Brackets (2021)
Marginal income tax brackets for Head of household filers in Iowa for 2021. Only the portion of income within each bracket is taxed at the stated rate.
| Bracket | Range | Rate |
|---|---|---|
| 1 | $ 0.00 to $ 1,676.00 | 0.33% |
| 2 | $ 1,676.00 to $ 3,352.00 | 0.67% |
| 3 | $ 3,352.00 to $ 6,704.00 | 2.25% |
| 4 | $ 6,704.00 to $ 15,084.00 | 4.14% |
| 5 | $ 15,084.00 to $ 25,140.00 | 5.63% |
| 6 | $ 25,140.00 to $ 33,250.00 | 5.96% |
| 7 | $ 33,250.00 to $ 50,280.00 | 6.25% |
| 8 | $ 50,280.00 to $ 75,240.00 | 7.44% |
| 9 | $ 75,240.00 and over | 8.53% |
Widowed – Progressive Tax Brackets (2021)
Marginal income tax brackets for Widowed filers in Iowa for 2021. Only the portion of income within each bracket is taxed at the stated rate.
| Bracket | Range | Rate |
|---|---|---|
| 1 | $ 0.00 to $ 1,676.00 | 0.33% |
| 2 | $ 1,676.00 to $ 3,352.00 | 0.67% |
| 3 | $ 3,352.00 to $ 6,704.00 | 2.25% |
| 4 | $ 6,704.00 to $ 15,084.00 | 4.14% |
| 5 | $ 15,084.00 to $ 25,140.00 | 5.63% |
| 6 | $ 25,140.00 to $ 33,250.00 | 5.96% |
| 7 | $ 33,250.00 to $ 50,280.00 | 6.25% |
| 8 | $ 50,280.00 to $ 75,240.00 | 7.44% |
| 9 | $ 75,240.00 and over | 8.53% |
Iowa Standard Deduction(2021)
State-level standard deduction amounts for each filing status.
| Filing Status | Amount |
|---|---|
| Single | $2,130 |
| Married filing jointly | $5,240 |
| Married filing separately | $2,130 |
| Head of household | $2,130 |
| Widowed | $5,240 |
Iowa Tax Tables for Related Years
These related years are often reviewed together for comparing bracket changes, deductions and Iowa updates:
Frequently Asked Questions
Can I add extra Iowa/Local withholding?
Yes—enter an additional amount per paycheck to target a $0 estimate at year-end.
Adoption credit in Iowa?
Iowa provides an adoption tax credit with eligibility rules—see the Credits area.
Partial-year residents—how to apportion?
Use the part-year option and enter Iowa-source wages/months to model split-year results.
Bond yield after tax
See Bond Yield and Yield to Maturity.
Do tips count toward Iowa income?
Yes—reportable tips are wage income and subject to Iowa tax.
Important Notes
All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.