Iowa Hourly Paycheck Calculator 2026
Iowa taxes hourly wages at a flat 3.8%, so every extra hour is taxed at the same state rate as your first — there is no bracket to climb into by picking up a shift. At $20 an hour and 40 hours a week ($41,600 gross) the modeled Iowa income tax is about $969 a year, leaving roughly $34,637, or about 83% of gross.
Two things move that number in Iowa. Hours: 52 paid weeks at 40 hours is the assumption below, and unpaid time off, part-time schedules or a fluctuating roster all change the annual total. And location: Iowa localities levy a school district surtax of roughly 0%–20%, which for an hourly worker is a straight reduction in the value of every hour.
Overtime is where hourly pay differs most from salary. Hours past 40 in a week are generally paid at time and a half under federal law, and that premium is ordinary taxable income — it is not taxed at a special penalty rate, though a bigger single check can be over-withheld and refunded at filing. The overtime table below shows what a Iowa year actually looks like at 45, 50 and 55 hours a week.
Figures are an annual 2026 tax-liability estimate apportioned across the pay frequency you choose. They are not an employer withholding run.
Paid a salary instead? Use the Iowa paycheck calculator, or convert a rate with the hourly to salary converter.
Paid at 1.5× your hourly rate. Total regular and overtime hours cannot exceed 168 per week.
Capped at the 2026 standard employee limit of $24,500.
Reduces modeled income tax and take-home cash, but not payroll taxes. Benefit tax treatment varies.
- Annual gross ÷ 26
- $1,600.00
- Annual federal tax ÷ 26
- −$98.55
- Annual Iowa tax ÷ 26
- −$34.23
- Annual payroll taxes ÷ 26
- −$122.40
- 401(k) contribution
- −$80.00
- Annual estimate ÷ 26
- $1,264.82
At $20.00/hr for 40 hrs a week, that's about $41,600 a year, of which an estimated $890 goes to Iowa state income tax.
Annual tax-liability estimate apportioned for display. It is not payroll withholding and does not model the temporary federal qualified-overtime deduction, Form W-4 adjustments, local taxes or credits.
Sources & assumptions
Tax year 2026
Tax data 2026.07.18-interim
Page updated 2026-07-18
- This is an annual federal and state income-tax liability estimate apportioned across the period you choose. It is not employer payroll withholding.
- It does not collect Form W-4 steps, pay date, year-to-date pay or withholding, residence/work-state interaction, or local tax.
- State schedules are an interim planning model. Filing combinations without a sourced schedule are unavailable rather than silently approximated.
- Internal Revenue Service: 2026 inflation adjustments and income-tax brackets — Federal annual-liability brackets and standard deductions.
- Internal Revenue Service: Publication 15-T (2026) — The payroll-withholding method PlainSums does not yet implement.
- Social Security Administration: 2026 contribution and benefit base — Social Security wage base and employee rate.
- Internal Revenue Service: Additional Medicare Tax — Liability thresholds and the additional 0.9% rate.
- Tax Foundation: 2026 state individual income-tax rates and brackets — Secondary compilation used as a starting reference; local taxes are excluded.
- Arizona State Legislature: Arizona Laws 2026, Chapter 140 — Signed June 13, 2026; supersedes the earlier Arizona deduction snapshot.
- Plante Moran state and local tax advisor (April 2026): Supplemental budget with OBBBA conformity — Maine's 2026 IRC-conformity update; supersedes the earlier Maine deduction snapshot.
- Connecticut Department of Revenue Services: IP 2026(7), Is My Connecticut Withholding Correct? — Connecticut's 2026 rate table, 2% phase-out add-back and tax recapture tables.
- New York State Department of Taxation and Finance: Instructions for Form IT-2105 (2026) — New York's 2026 rate schedules and the tax computation worksheets that apply the supplemental tax above $107,650.
The email includes this route only; calculator inputs are not attached.
Iowa take-home pay by hourly wage (2026)
Full-time estimates at 40 hours a week for 52 paid weeks — single filer, no 401(k), no other deductions. The effective rate column is total federal, Iowa and FICA tax as a share of gross pay.
| Hourly wage | Annual gross | Annual take-home | Per month | Per week | Effective tax rate |
|---|---|---|---|---|---|
| $15.00/hr | $31,200 | $26,675 | $2,223 | $512.99 | 14.5% |
| $16.00/hr | $33,280 | $28,268 | $2,356 | $543.61 | 15.1% |
| $17.00/hr | $35,360 | $29,860 | $2,488 | $574.23 | 15.6% |
| $18.00/hr | $37,440 | $31,452 | $2,621 | $604.85 | 16.0% |
| $20.00/hr | $41,600 | $34,637 | $2,886 | $666.09 | 16.7% |
| $22.00/hr | $45,760 | $37,821 | $3,152 | $727.33 | 17.3% |
| $25.00/hr | $52,000 | $42,598 | $3,550 | $819.19 | 18.1% |
| $28.00/hr | $58,240 | $47,375 | $3,948 | $911.05 | 18.7% |
| $30.00/hr | $62,400 | $50,559 | $4,213 | $972.29 | 19.0% |
| $35.00/hr | $72,800 | $57,890 | $4,824 | $1,113.27 | 20.5% |
| $40.00/hr | $83,200 | $64,811 | $5,401 | $1,246.37 | 22.1% |
| $45.00/hr | $93,600 | $71,733 | $5,978 | $1,379.47 | 23.4% |
| $50.00/hr | $104,000 | $78,654 | $6,554 | $1,512.57 | 24.4% |
Part-time hours in Iowa: what 20, 25 and 30 hours a week pay
Annual take-home estimates when the schedule is not full time. Halving the hours does not halve the tax: the federal standard deduction shelters a bigger share of a smaller income, so part-time workers keep a higher percentage of gross pay even though the dollar total is lower.
| Hourly wage | 20 hrs/week | 25 hrs/week | 30 hrs/week | 40 hrs/week |
|---|---|---|---|---|
| $15.00/hr | $14,407 | $17,539 | $20,603 | $26,675 |
| $18.00/hr | $16,926 | $20,603 | $24,279 | $31,452 |
| $20.00/hr | $18,560 | $22,645 | $26,675 | $34,637 |
| $25.00/hr | $22,645 | $27,671 | $32,646 | $42,598 |
| $30.00/hr | $26,675 | $32,646 | $38,617 | $50,559 |
Overtime in Iowa: 45, 50 and 55 hours a week
Hours past 40 in a week are generally paid at time and a half under the Fair Labor Standards Act. These rows assume that premium is worked every week of the year and taxed as ordinary income — a bigger check can be over-withheld in the moment, but the annual liability is what the table shows.
| Hourly wage | 40 hrs (no overtime) | 45 hrs/week | 50 hrs/week | 55 hrs/week | Gross at 50 hrs |
|---|---|---|---|---|---|
| $18.00/hr | $31,452 | $36,826 | $42,200 | $47,574 | $51,480 |
| $20.00/hr | $34,637 | $40,608 | $46,578 | $52,549 | $57,200 |
| $25.00/hr | $42,598 | $50,061 | $57,025 | $63,514 | $71,500 |
| $30.00/hr | $50,559 | $58,755 | $66,542 | $74,328 | $85,800 |
Salaried workers classified as exempt do not receive this premium, which is the single biggest structural difference between hourly and salaried pay. Some states set stricter daily overtime rules than the federal weekly one; those are not modeled here.
How Iowa taxes hourly earnings
Iowa applies a flat 3.8% rate, which makes hourly pay unusually easy to reason about: the state share of every additional hour is identical regardless of how many hours you work. Deductions still mean the effective rate on gross wages runs below the statutory one. Iowa moved to a 3.8% flat individual income tax in 2025 and uses the federal standard deduction.
Iowa school districts may levy a surtax expressed as a percentage of your Iowa state income tax — not of your wages. A 6% surtax on a $1,900 state tax bill is about $114, so the cash effect is far smaller than the headline percentage suggests. Enter the equivalent share of gross pay if you want it reflected below.
Frequently asked questions
- How much is $20 an hour after taxes in Iowa?
- At 40 hours a week for 52 paid weeks, $20 an hour is $41,600 gross. This model estimates $34,637 annual take-home for a single filer with no 401(k) — about $666.09 a week or $1,332.18 on a bi-weekly cycle. Those per-period figures are the annual estimate divided out, not a payroll withholding prediction.
- How much is $15 an hour after taxes in Iowa?
- $15 an hour full time is $31,200 gross a year, and this model estimates $26,675 after federal income tax, Iowa income tax and FICA. That works out to roughly $512.99 a week — an effective all-in tax rate of about 14.5%.
- Is overtime taxed differently in Iowa?
- No — overtime is ordinary taxable wages in Iowa and enters the same brackets as your regular hours. What changes is the size of the check: a payroll system annualizes each period, so an unusually large overtime week can be over-withheld and refunded when you file. Working 50 hours a week all year at $20 an hour instead of 40 adds an estimated $11,942 to annual take-home in Iowa, because the extra 10 hours are paid at time and a half. A temporary federal deduction may apply to qualifying overtime compensation for 2025–2028; it is not modeled here.
- What does part-time work pay after taxes in Iowa?
- Part-time hours cut gross pay proportionally but cut tax more than proportionally, because the federal standard deduction covers a larger share of a smaller income. At $20 an hour and 20 hours a week, gross is $20,800 and this model estimates $18,560 take-home — you keep about 89% of a part-time wage versus about 83% of the full-time one.
- Does Iowa have a state income tax on hourly wages?
- Yes. Iowa applies a flat 3.8% state income tax to taxable income, whether you are paid hourly or on salary. Iowa moved to a 3.8% flat individual income tax in 2025 and uses the federal standard deduction.
- Do Iowa hourly workers pay local income tax too?
- Often, yes. Iowa localities levy a school district surtax of roughly 0%–20% on gross wages from the first dollar, which hits hourly and part-time workers proportionally harder than a tax with a deduction. Enter your rate in the calculator above to include it.
- How reliable is this Iowa hourly estimate?
- It is a planning scenario, not a payroll prediction. It assumes 52 paid weeks at a steady rate and excludes a full Form W-4, credits, the temporary qualified-overtime deduction, shift differentials, tips, unpaid leave and state payroll programs.