2026 · Iowa
Iowa Paycheck Calculator
Iowa revised its state withholding formula for 2026. The employer subtracts a pay-period deduction based on IA W-4 filing status, applies a 3.8% rate, then subtracts annual allowance dollars spread across pay periods.
Your pay
Tell us about your paycheck
Your estimated paycheck
$2,918 take-home
Taxes & payroll deductions
Each pay period is calculated separately. A dash means the current per-paycheck deductions exceed pay at that frequency. Annualized pay repeats the selected paycheck; actual yearly totals can differ near wage and contribution limits.
Tax rules verified: 2026-09-22 · IRS · Social Security Administration · Iowa Department of Revenue
Assumptions and sources
- One employer; work and residence are in the selected state.
- Missing YTD wages are projected from the selected pay date and current pay pattern.
- Iowa uses the 2026 IA W-4 formula with zero annual allowance dollars unless entered.
- The married default assumes a spouse with no earned income, as the 2026 IA W-4 directs when that answer is blank.
Tax rules verified: 2026-09-22
- Publication 15-T (2026), Federal Income Tax Withholding Methods — IRS
- Contribution and Benefit Base — Social Security Administration
- Iowa Individual Income Tax Withholding Formula, effective January 1, 2026 — Iowa Department of Revenue
Estimated paycheck — not tax advice.
$100,000 salary in Iowa
For a single filer paid biweekly with default W-4 settings, an estimated paycheck is $2,918.23 from $3,846.15 gross. Your actual withholding depends on your W-4, employer, benefits, and year-to-date wages.
Each pay frequency uses its own withholding calculation. Annualized pay repeats the displayed biweekly paycheck; actual yearly totals can differ near annual limits.
Common Iowa salaries
These examples use the same single filer, biweekly pay, and default W-4 settings as the calculator above.
| Annual salary | Gross per paycheck | Estimated take-home |
|---|---|---|
| $50,000.00 | $1,923.08 | $1,574.97 |
| $75,000.00 | $2,884.62 | $2,278.32 |
| $100,000.00 | $3,846.15 | $2,918.23 |
| $125,000.00 | $4,807.69 | $3,555.67 |
| $150,000.00 | $5,769.23 | $4,176.35 |
| $200,000.00 | $7,692.31 | $5,417.69 |
How Iowa payroll deductions work
The married default assumes a spouse without earned income. IA W-4 allowance and extra withholding amounts can be entered in Advanced options. Federal income tax withholding follows IRS Publication 15-T. Social Security and Medicare follow federal payroll rules.
Methodology and sources
We calculate a pay-period estimate using the selected pay frequency and withholding inputs. Missing YTD wages are projected from the pay date and current pay pattern.
- Publication 15-T (2026), Federal Income Tax Withholding Methods — IRS
- Contribution and Benefit Base — Social Security Administration
- Iowa Individual Income Tax Withholding Formula, effective January 1, 2026 — Iowa Department of Revenue
Tax rules verified: 2026-09-22 · Rules 2026.1 / 2026.1