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Iowa Overtime Calculator

Overtime in Iowa is withheld on at your normal federal rate: there is no separate overtime tax rate. Federal law sets overtime at 1.5× your regular hourly rate past 40 hours in a workweek, and those hours face federal income tax, FICA of 7.65%, and a flat 3.8% Iowa income tax in 2026, though the federal premium is now deductible when you file.

Is overtime taxed in Iowa?

Yes, but not at a special rate: overtime in Iowa is withheld on in your normal federal brackets plus Iowa's flat 3.8% income tax, like your regular hours. For 2025-2028 the federal premium, the "half" of time-and-a-half, is also deductible when you file, up to $12,500 ($25,000 married filing jointly). Bigger checks can have more withheld up front because withholding is calculated per paycheck, but that evens out on your tax return. Against the 6 states Iowa borders, the same ten overtime hours a week is worth $14,427 here: South Dakota keeps $741 more ($15,168), Nebraska leaves $146 less ($14,281), Wisconsin leaves $167 less ($14,260), Missouri leaves $176 less ($14,252), Illinois leaves $224 less ($14,203) and Minnesota leaves $585 less ($13,842). South Dakota is the only border worth crossing for the tax alone.

See what your overtime hours actually add

Estimated take-home

$57,025 /yr

$2,193 per paycheck · $4,752/moFor $25/hr, 40 + 10 overtime hrs a week · Iowa · local tax not included · single

Take-home 80%Taxes 20%

Calculation breakdown

  • Gross salary$71,500.00
  • Federal income tax−$6,900.00
  • FICA (Social Security & Medicare)−$5,469.75
  • State income tax (Iowa)−$2,105.20
  • Total take-home$57,025.05

Gross includes regular and overtime pay; see detailed inputs for per-paycheck splits.

Estimate based on 2026 federal and Iowa tax rules updated Oct 2026 How we calculate

Your details

Not included
More options Deductions & details · optional
Overtime adds $14,427/yr: you keep 73.99% of each overtime dollar.
No tax on overtime: $6,500 of this overtime is the deductible “half”. Claimed on your federal return, that's about $1,280 more back at tax time. See your refund →

What overtime hours are actually worth in Iowa

On top of full-time pay at $25 an hour ($52,000 a year) in Iowa, here is what each extra dollar survives federal tax, Iowa income tax and FICA in 2026:

Overtime workedGrossIowa taxYou keepShare kept
5 OT hours a week$9,750$371$7,46476.5%
10 OT hours a week$19,500$741$14,42774.0%
15 OT hours a week$29,250$1,111$20,91671.5%

Iowa takes about 3.8% of that money on top of the 15% federal marginal rate and 7.65% FICA.

How Iowa ranks on overtime hours

Across all 50 states and DC, Iowa ranks 18th for what ten overtime hours a week leaves in 2026. That is $167 more than the median state ($14,260), and $1,082 more than Oregon, where the same ten overtime hours a week leaves $13,345.

The best outcome anywhere is $15,168 in Alaska and the other states with no wage income tax, $741 more than Iowa keeps.

Iowa overtime hours against the states next door

Crossing a state line changes what the same overtime hour is worth without changing what you are paid. Here is ten overtime hours a week in Iowa against the states it borders:

StateState income taxYou keepvs Iowa
Iowa$741$14,427—
Illinois$965$14,203$224 less
Minnesota$1,326$13,842$585 less
Missouri$917$14,252$176 less
Nebraska$887$14,281$146 less
South DakotaNone$15,168$741 more
Wisconsin$908$14,260$167 less

How overtime is taxed in Iowa

Short answer: no: Iowa does not tax overtime at a higher rate, and neither does the IRS. Overtime pay (1.5× your regular rate past 40 hours/week) is withheld on as ordinary income: normal federal brackets plus Iowa's flat 3.8%, like your regular hours. Big overtime checks can have more withheld up front because withholding is calculated per paycheck, but that evens out on your tax return. Here's the full picture.

  • Overtime rate is 1.5× your regular pay: Federal law requires at least 1.5 times your regular hourly rate for hours worked beyond 40 in a workweek. Some states and employers offer higher rates.
  • Withheld as ordinary income: There is no special tax rate for overtime pay. It's added to your regular wages and withheld on in the same federal brackets plus Iowa's flat 3.8% income tax.
  • The premium is deductible federally (2025-2028): When you file, the extra half of time-and-a-half the FLSA requires comes off your federal taxable income: up to $12,500, or $25,000 married filing jointly, phasing out above $150,000 of income. Social Security and Medicare still apply.
  • Higher income can mean higher withholding: Because overtime increases your total paycheck, your employer annualizes the higher amount when calculating withholding, which can result in a higher rate on the overtime portion.
  • You always take home more by working overtime: Even in a high tax bracket, you keep more than 50% of each overtime dollar. Higher taxes on overtime never mean you'd be better off working fewer hours.

Enter your hourly rate and overtime hours below to see your exact Iowa take-home pay after all taxes.

Frequently Asked Questions

On your paycheck, overtime in Iowa is ordinary wages: there is no special overtime tax rate. Federally it falls into your normal brackets, and Iowa taxes it at the same flat 3.8% as your regular wages. The federal overtime deduction you claim at filing doesn't change Iowa's withholding, which still applies to every overtime dollar.

Not fully. For 2025-2028 the federal premium, the "half" of time-and-a-half, is also deductible when you file, up to $12,500 ($25,000 married filing jointly). It's claimed on Schedule 1-A, phases out above $150,000 of income ($300,000 joint), and doesn't reduce Social Security or Medicare. It's a federal deduction, so don't assume Iowa income tax follows it. Your employer still withholds on overtime unless you claim the deduction on a new W-4, so for most people it shows up as a bigger refund.

Overtime can push your annualized income into a higher bracket, but only the dollars above the threshold are taxed at the higher rate: you always take home more by working the hours. Priced for Iowa: five overtime hours a week is worth $7,464 a year after tax, ten overtime hours a week is worth $14,427 a year after tax, fifteen overtime hours a week is worth $20,916 a year after tax, against $19,500 gross on the middle figure.

Under the Fair Labor Standards Act, non-exempt employees must be paid at least 1.5× their regular rate beyond 40 hours in a workweek. Iowa adds no daily-overtime rule on top of that federal floor. The calculator uses the standard 1.5× multiplier.

Iowa follows the federal FLSA standard: at least 1.5× your regular rate for hours beyond 40 in a workweek, with no additional daily-overtime requirement. If you believe you're owed overtime, the Iowa Department of Labor is the place to check. Our calculator uses the standard 1.5× multiplier.

Add regular earnings (rate × regular hours) to overtime earnings (rate × 1.5 × overtime hours), then subtract federal tax, Iowa income tax and FICA. In Iowa that leaves about 74.0% of each overtime dollar: $14,427 of the $19,500 that ten overtime hours a week adds over a year.

Against the 6 states Iowa borders, the same ten overtime hours a week is worth $14,427 here: South Dakota keeps $741 more ($15,168), Nebraska leaves $146 less ($14,281), Wisconsin leaves $167 less ($14,260), Missouri leaves $176 less ($14,252), Illinois leaves $224 less ($14,203) and Minnesota leaves $585 less ($13,842). South Dakota is the only border worth crossing for the tax alone.

No. Iowa's 3.8% applies only to income above the standard deduction ($16,100 single, $32,200 married). Someone earning $100,000 pays $3,188 a year (3.2% of salary), while the same earner in a flat-tax state like Pennsylvania would pay $3,070 (3.07% flat, though PA may have local EIT).

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