How does the Iowa paycheck calculator work?
This iowa paycheck calculator estimates your net take-home pay by subtracting the main payroll deductions from your gross income. It works as a Iowa paycheck tax calculator, Iowa wage calculator, and iowa payroll calculator — all in one tool. 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 — making this an effective Iowa hourly paycheck calculator as well.
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
If you're using this Iowa paycheck tax calculator for the first time, here's a quick overview of how Iowa taxes work. Iowa uses a flat income tax rate — currently set at 3.8%. This means 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 4.8%. Understanding these differences is important when using a Iowa salary calculator versus other 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. This iowa payroll calculator covers the employee side of these deductions.
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 – $11,925 | 10% |
| $11,925 – $48,475 | 12% |
| $48,475 – $103,350 | 22% |
| $103,350 – $197,300 | 24% |
| $197,300 – $250,525 | 32% |
| $250,525 – $626,350 | 35% |
| $626,350+ | 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 = $2,850
- FICA: (6.2% + 1.45%) × $75,000 = $5,738
Result: $75,000 − $16,258 = $58,743/year → ≈ $2,259 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 | $7,200 | $32,800 | $1,262 |
| $50,000 | $9,545 | $40,455 | $1,556 |
| $60,000 | $11,890 | $48,110 | $1,850 |
| $75,000 | $16,258 | $58,743 | $2,259 |
| $100,000 | $24,620 | $75,380 | $2,899 |
| $125,000 | $33,047 | $91,954 | $3,537 |
| $150,000 | $41,909 | $108,091 | $4,157 |
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.
Marginal vs. effective tax rate
These are two different ways to describe your tax burden, and they're often confused:
Marginal rate
The tax rate applied to your last dollar of income. If you earn $75,000 (single), your marginal federal rate is 22% because the top portion of your income falls in the 22% bracket.
Effective rate
The average rate you actually pay across all brackets, calculated as total tax ÷ gross income. For the same $75,000 earner, the effective federal rate is about 10.6% — much lower than 22%.
This calculator shows your effective total tax rate (all taxes combined) next to the annual net figure. Your marginal rate matters most when evaluating a raise or bonus.
2025 vs. 2026: what changed?
Key differences affecting your Iowa paycheck:
Std. deduction (single)
Std. deduction (married)
SS wage base
IA state tax rate
The larger standard deduction (boosted by the OBBB Act) means slightly more take-home pay for most filers at the same salary compared to 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 21.7% 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.
What is the 2026 Social Security wage base?
$184,500. You pay 6.2% up to this cap. Medicare (1.45%) has no cap. An additional 0.9% Medicare surtax applies above $200,000 (single) or $250,000 (married).
What is the 2026 federal standard deduction?
After the OBBB Act (July 2025), it's $16,100 for single filers, $24,150 for head of household, and $32,200 for married filing jointly. These amounts are automatically applied by this paycheck calculator.
Does a 401(k) contribution reduce my taxes?
Yes. Traditional 401(k) contributions are pre-tax and reduce your federal taxable income. The 2026 contribution limit is $24,500 ($32,000 if you're 50+). Use the 401(k) field in the calculator to see the impact on your paycheck.
What is federal withholding?
Federal withholding is the amount your employer deducts from each paycheck to cover your federal income tax obligation. The amount depends on your W-4 form selections — filing status, dependents, and any additional withholding you request. This Iowa salary calculator uses the standard 2026 withholding brackets to estimate your federal tax.
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 $58,743 net → approximately $2,259 per paycheck. You can also switch to weekly, semi-monthly, or monthly frequency using the dropdown in the calculator above.
Does pay frequency affect my total taxes?
No. Your total annual tax is the same whether you're paid weekly, bi-weekly, semi-monthly, or monthly. The only difference is how the annual amount is divided across paychecks. Bi-weekly pay (26 periods) means smaller per-check amounts than semi-monthly (24 periods), but the same annual total.
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.
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.