Quick Answer
Iowa state income tax ranges from 0.33% to 8.53% based on income level. For 2026, single filers pay no tax on the first $2,280 of income, then rates increase gradually. A single person earning $50,000 pays about $2,100 in Iowa state tax, while someone earning $75,000 pays roughly $3,600.
Best Answer
Sarah Chen, Payroll Tax Analyst
Workers with steady paychecks who want to understand their Iowa tax burden
How Iowa state income tax rates work
Iowa uses a progressive tax system with nine brackets for 2026. Single filers get a standard deduction of $2,280, meaning you pay no state tax on your first $2,280 of income. After that, rates start at 0.33% and climb to 8.53% for high earners.
The key thing to understand: you don't pay the highest rate on all your income. Each bracket only applies to income within that range.
Example: $50,000 salary calculation
Let's break down the Iowa tax for someone earning $50,000:
Step 1: Subtract standard deduction
$50,000 - $2,280 = $47,720 taxable income
Step 2: Apply tax brackets
Total Iowa tax: $2,178
This works out to an effective rate of 4.36% on your gross income, or 4.57% on taxable income.
Iowa tax brackets for 2026
How this affects your paycheck
If you earn $50,000 and owe $2,178 in Iowa tax annually, that's about $84 per biweekly paycheck (assuming 26 pay periods). Your employer should withhold close to this amount if your W-4 is filled out correctly.
For comparison with other income levels:
Key factors affecting your Iowa tax
What you should do
Use our paycheck calculator to see exactly how Iowa tax affects your take-home pay. Input your salary, filing status, and any pre-tax deductions to get an accurate estimate.
If you're having too much or too little withheld, adjust your state allowances on your W-4. Iowa generally follows federal withholding patterns, but you can specify additional state withholding if needed.
Key takeaway: Iowa's progressive tax system means most middle-income earners pay an effective rate of 4-6% on their total income, with actual tax ranging from about $1,400-$4,000 for salaries between $40,000-$75,000.
*Sources: [Iowa Department of Revenue](https://tax.iowa.gov), [IRS Publication 505](https://www.irs.gov/pub/irs-pdf/p505.pdf)*
Key Takeaway: Iowa taxes range from 0.33% to 8.53% with a $2,280 standard deduction for single filers, resulting in effective rates of 4-6% for most middle-income earners.
Iowa tax brackets and rates for single filers in 2026
| Income Range | Tax Rate | Annual Tax on Range |
|---|---|---|
| $0 - $2,280 | 0% (standard deduction) | $0 |
| $2,281 - $4,023 | 0.33% | Up to $5.75 |
| $4,024 - $6,637 | 0.67% | Up to $17.51 |
| $6,638 - $11,865 | 2.25% | Up to $117.63 |
| $11,866 - $23,655 | 4.14% | Up to $488.11 |
| $23,656 - $39,330 | 5.63% | Up to $882.50 |
| $39,331 - $58,995 | 6.25% | Up to $1,229.00 |
| $58,996 - $88,493 | 7.44% | Up to $2,194.77 |
| Over $88,493 | 8.53% | No limit |
More Perspectives
Sarah Chen, Payroll Tax Analyst
New Iowa residents comparing tax burden to their previous state
How Iowa compares to other states
Iowa's tax rates are moderate compared to most states with income taxes. The top rate of 8.53% puts it in the middle range—higher than states like Illinois (4.95%) or Pennsylvania (3.07%), but lower than California (13.3%) or New York (10.9%).
What makes Iowa unique is the federal tax deduction. You can deduct up to $6,000 of federal income taxes paid from your Iowa taxable income (single filers). This significantly reduces your effective Iowa tax rate, especially if you're in higher federal brackets.
Residency rules for new Iowans
You become an Iowa resident for tax purposes if you:
If you moved mid-year, you'll likely need to file part-year resident returns in both Iowa and your previous state. Iowa will tax income earned while you were an Iowa resident, plus any Iowa-source income from before you moved.
What to expect on your first Iowa return
Compared to states with no income tax (like Texas or Florida), you'll see a noticeable reduction in take-home pay. However, Iowa's property taxes and overall cost of living may offset some of this difference.
If you're coming from a high-tax state like California or New York, Iowa will likely feel like a tax break. The federal deduction alone can save $300-1,800 annually depending on your federal tax liability.
Adjusting your withholding
Update your W-4 with your employer as soon as possible after moving. Iowa withholding follows federal patterns, but you may need to adjust if you're used to different state tax levels.
Key takeaway: Iowa's moderate rates (0.33%-8.53%) plus the federal tax deduction often result in lower overall state tax burden than high-tax states, but higher than no-tax states.
Key Takeaway: Iowa's moderate rates plus federal tax deduction often result in lower state tax burden than high-tax states, but higher than states with no income tax.
Sources
- Iowa Department of Revenue — Official Iowa tax rates and brackets
- IRS Publication 505 — Tax Withholding and Estimated Tax
Reviewed by Sarah Chen, Payroll Tax Analyst on February 28, 2026
This content is for educational purposes only and is not a substitute for professional tax advice. Consult a qualified tax professional for advice specific to your situation.