How does the Iowa paycheck calculator work?
It estimates your net take-home pay by subtracting the main payroll deductions from your gross income. Here's what it accounts for:
- Federal income tax, calculated using 2026 marginal tax brackets and the updated standard deduction ($16,100 single / $24,150 head of household / $32,200 married filing jointly, per the OBBB Act).
- Iowa state income tax, a flat rate of 3.8% on your Iowa taxable income.
- Social Security (FICA), 6.2% of wages up to the $184,500 cap.
- Medicare, 1.45% of all wages, plus an additional 0.9% on income above $200,000 (single / HoH) or $250,000 (married).
- Pre-tax deductions, optional 401(k) and HSA contributions that reduce your federal taxable income.
The result is then divided by your chosen pay frequency to show the per-paycheck amount. You can enter your salary as an annual amount or as an hourly wage.
Tip: Iowa has no local income taxes, you won't owe any city or county taxes. That makes it simpler to calculate take-home pay in Iowa compared to states with local levies.
Iowa income tax: what you need to know
Iowa uses a flat income tax rate, currently set at 3.8%. Every worker pays the same state tax percentage regardless of whether they earn $30,000 or $300,000.
Compared to neighboring states: Minnesota ranges from 5.35% to 9.85%, Wisconsin ranges from 3.5% to 7.65%, Illinois charges 4.95%, Missouri ranges from 0% to 4.7%. Understanding these differences matters when comparing take-home pay between states.
Iowa conforms to the federal standard deduction ($16,100 single / $32,200 married for 2026). Iowa completed its transition to a flat 3.8% income tax rate in 2025.
Note on Iowa payroll tax: As an employer or self-employed individual in Iowa, you should know that Iowa payroll taxes include the standard FICA obligations (Social Security + Medicare) plus the 3.8% state income tax withholding. There is no separate state unemployment insurance paid by employees. Our calculator covers the employee side of these deductions.
Who benefits most from Iowa's tax structure?
Retirees 55 and older benefit enormously from Iowa's full exemption of retirement income, one of the most generous in the country, while all workers benefit from the state's completed transition to a flat 3.8% rate in 2025.
Iowa paycheck tax breakdown
Here's a summary of each tax that comes out of your Iowa paycheck. This Iowa salary tax breakdown applies whether you use the annual salary or hourly wage mode:
Federal Income Tax
10%–37%
Marginal brackets
Iowa State Tax
3.8%
Flat rate
Social Security
6.2%
Wage base limit 2026
Medicare
1.45%+
+0.9% above $200k/$250k
Local Taxes
0%
None in Iowa
2026 Federal income tax brackets
Federal income tax uses a progressive system, you pay a higher rate only on income within each bracket. Standard deductions updated per the OBBB Act (July 2025). These brackets apply to all states, including when you use this Iowa paycheck calculator for 2026.
Standard deduction: $16,100
| Bracket | Rate |
|---|---|
| $0 – $12,400 | 10% |
| $12,400 – $50,400 | 12% |
| $50,400 – $105,700 | 22% |
| $105,700 – $201,775 | 24% |
| $201,775 – $256,225 | 32% |
| $256,225 – $640,600 | 35% |
| $640,600+ | 37% |
Example calculation
Let's walk through a single filer earning $75,000/year paid bi-weekly, with no 401(k) or HSA contributions:
- Federal standard deduction: $75,000 − $16,100 = $58,900 taxable income
- Federal tax: Applied using 2026 marginal brackets = ≈ $7,670
- Iowa state tax: 3.8% × ($75,000 − $16,100 deductions) = $2,238
- FICA: (6.2% + 1.45%) × $75,000 = $5,738
Result: $75,000 − $15,646 = $59,354/year → ≈ $2,283 per paycheck (bi-weekly)
Take-home pay for common Iowa salaries
Here's a quick-reference table showing estimated annual and bi-weekly take-home pay for common salaries in Iowa (single filer, 1 exemption, no 401k/HSA). Use the Iowa salary calculator above to get a precise estimate for your specific situation.
| Gross Salary | Total Tax | Annual Net | Bi-weekly |
|---|---|---|---|
| $40,000 | $6,588 | $33,412 | $1,285 |
| $50,000 | $8,933 | $41,067 | $1,579 |
| $60,000 | $11,278 | $48,722 | $1,874 |
| $75,000 | $15,646 | $59,354 | $2,283 |
| $100,000 | $24,008 | $75,992 | $2,923 |
| $125,000 | $32,435 | $92,565 | $3,560 |
| $150,000 | $41,297 | $108,703 | $4,181 |
Estimates based on 2026 tax brackets, IA 3.8% flat rate, 1 personal exemption. Your actual take-home may differ based on filing status, dependents, and pre-tax contributions.
Take-home on $75,000: Iowa vs. neighboring states
Cross a border and the same $75,000 salary changes size. A single filer nets $59,354 in Iowa; among its neighbors, the same paycheck stretches furthest in South Dakota ($61,593) and thinnest in Minnesota ($58,016):
| State | Annual net | Effective rate | vs IA |
|---|---|---|---|
| Iowa (this page) | $59,354 | 20.9% | — |
| South Dakota | $61,593 | 17.9% | +$2,239 |
| Missouri | $59,025 | 21.3% | −$329 |
| Wisconsin | $58,981 | 21.4% | −$373 |
| Nebraska | $58,884 | 21.5% | −$470 |
| Illinois | $58,021 | 22.6% | −$1,333 |
| Minnesota | $58,016 | 22.6% | −$1,338 |
Single filer, 2026 rates, standard deduction, 1 exemption where applicable, no pre-tax deductions or local taxes — same assumptions as the tables above. State taxes are one factor; cost of living, property and sales taxes also differ.
Marginal vs. effective tax rate
Marginal rate: your last dollar
On a $75,000 single-filer salary in Iowa, the next dollar you earn is taxed at the 22% federal bracket plus Iowa's flat 3.8%.
Effective rate: what you actually pay
Total tax ÷ gross income. That same Iowa earner pays $15,646 in combined federal, state, and FICA taxes, an effective rate of 20.9%, well below the marginal headline.
The calculator shows your effective total rate next to the annual net figure; the marginal rate is what matters when weighing a raise, bonus, or an extra 401(k) dollar. For the full explainer with bracket charts, see 2026 tax brackets explained.
2025 vs. 2026: what changed?
Key differences affecting your Iowa paycheck:
Std. deduction (single)
Std. deduction (married)
SS wage base
On the state side, this calculator applies Iowa's current 2026 flat rate of 3.8%. Several states adjusted their rates for 2026, so state-side year-over-year changes vary; the federal changes above apply to every Iowa worker either way, and the larger standard deduction means slightly more take-home at the same salary than in 2025.
FAQs
What is the Iowa state income tax rate?
Iowa has a flat income tax rate of 3.8%. Every worker pays the same state tax percentage regardless of income level.
Does Iowa have local income taxes?
No. Iowa does not impose any local, city, or county income taxes on employees.
How much is taken out of my paycheck in Iowa?
For a typical $75,000 salary (single filer), approximately 20.9% goes to taxes. This includes federal income tax, Iowa state tax (3.8%), Social Security (6.2%), and Medicare (1.45%). Use our Iowa paycheck calculator above for your exact deductions.
What is the tax percentage in Iowa?
The Iowa state income tax rate is 3.8%. On top of that, you'll pay federal income tax (10%–37% depending on your bracket), Social Security (6.2%), and Medicare (1.45%). Combined, most Iowa workers pay an effective total tax rate between 20% and 30% depending on income.
Does Iowa tax Social Security or retirement income, and are there other state payroll deductions?
Iowa does not tax Social Security benefits, and as of a 2023 law fully exempts retirement income, including pension, 401(k), and IRA withdrawals, for taxpayers 55 and older. There is no state disability or paid-family-leave payroll deduction.
How do I calculate my bi-weekly paycheck?
Divide your annual take-home pay by 26 (the number of bi-weekly pay periods in a year). For example, a $75,000 salary with $59,354 net → approximately $2,283 per paycheck. You can also switch to weekly, semi-monthly, or monthly frequency using the dropdown in the calculator above.
How accurate is this calculator?
This is a solid estimate using 2026 federal tax brackets, OBBB-updated standard deductions, IA state tax rates, and Additional Medicare Tax. It does not account for itemized deductions, tax credits (like EITC or child tax credit), non-wage income, or local taxes. For tax planning purposes, it provides a reliable paycheck estimate for Iowa workers.
General paycheck questions, federal withholding, the Social Security wage base, how 401(k) contributions cut your tax, are answered on the take-home pay calculator and in 2026 tax brackets explained.
More Iowa calculators
Explore other free Iowa money calculators, all using the same 2026 federal and Iowa state tax data:
Paycheck calculators for other states
Paycheck calculators by state
Click any state to view its paycheck calculator. Green states have no income tax.
Moving to a different state or comparing your Iowa take-home pay? Use our free paycheck calculators for other popular states:
All calculators are free, require no signup, and are updated for 2026 tax brackets.