Iowa State Tax: up to 3.8%

Commission Calculator — Iowa 2026

Iowa taxes commission income at rates up to 3.8%. Calculate your commission pay and total compensation in Iowa with 2026 tax data.

Iowa State Income Tax on Commission: up to 3.8%

Combined with federal income tax and FICA, high commission earners in Iowa can have effective total tax rates of 35–42%.

Commission Structure

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Enter $0 for pure commission roles

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Your Commission Breakdown

Commission Earned

$20,000.00

Effective rate: 10.00%

Total Annual Compensation

$70,000.00

Base + Commission

Monthly Take

$5,833.33

Bi-weekly Take

$2,692.31

On $200,000.00 in sales with a 10.00% commission structure, you earn $20,000.00 in commission. Combined with $50,000.00 base, your total comp is $70,000.00/year — $5,833.33/month.

Commission at Different Sales Levels

Annual SalesCommissionTotal CompMonthly
$100,000.00$10,000.00$60,000.00$5,000.00
$150,000.00$15,000.00$65,000.00$5,416.67
$200,000.00$20,000.00$70,000.00$5,833.33
$300,000.00$30,000.00$80,000.00$6,666.67
$500,000.00$50,000.00$100,000.00$8,333.33
$750,000.00$75,000.00$125,000.00$10,416.67
$1,000,000.00$100,000.00$150,000.00$12,500.00

Commission Tax FAQs — Iowa

How is commission income taxed in Iowa?

In Iowa, commission income is treated as ordinary income and taxed at state income tax rates up to 3.8%. Combined with federal income tax (10%–37%) and FICA (7.65%), top commission earners in Iowa can see effective total tax rates of 40%+.

What is the total tax rate on commission income in Iowa?

A commission earner in Iowa with $150,000 in total comp (base + commission) pays approximately 22–24% federal income tax, 7.65% FICA, and up to 3.8% Iowa state income tax. Total effective tax rates typically range from 28–38% depending on income level.

Do commission payments get withheld differently in Iowa?

Employers in Iowa withhold federal taxes on commission income using either the 22% flat supplemental rate or the aggregate method. Iowa state income tax withholding is also applied to commission payments. The actual tax rate owed is calculated when you file your annual return.

Is commission income subject to FICA in Iowa?

Yes — FICA (Social Security at 6.2% up to $184,500 and Medicare at 1.45%) applies to all W-2 earned income in every state, including Iowa. This is a federal tax and is not affected by state law. Independent contractors who receive 1099 commission income pay self-employment tax (15.3%) instead.

Should I live in Iowa as a commission-based sales professional?

Iowa's 3.8% top income tax rate is a meaningful factor for high commission earners. A sales rep earning $300,000 in total comp would pay approximately 11,400 in Iowa state income tax. Comparing this to zero-income-tax states like Texas or Florida can reveal significant savings for relocating professionals.