Self-employment tax in Iowa
Iowa taxes self-employed income at a flat 3.8% for 2026, on top of federal self-employment and income tax.
What a Iowa freelancer owes
- Federal self-employment tax of 15.3% (12.4% Social Security + 2.9% Medicare).
- Iowa flat tax of 3.8% for 2026.
- Iowa now has a flat tax rate, so the same 3.8% rate applies across Iowa taxable income.
Estimate your Iowa taxes
Free 1099 self-employment tax calculator — add Iowa's 3.8% flat state rate. No sign-up.
Enter Iowa's 3.8% flat in the State Tax field for a full estimate.
States with no income tax are set to 0%. Estimate only — adjust for local taxes.
Estimated total tax
$13,567
Effective rate 26.1% on $52,000 net profit
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Estimates use 2026 US federal figures (IRS Rev. Proc. 2025-32): self-employment tax of 15.3% (12.4% Social Security up to the $184,500 wage base + 2.9% Medicare) plus federal income tax on your net profit after the standard deduction. State and local taxes are only included if you set a state rate above. Simplified estimate for planning only — not tax advice.
Iowa freelancer tax — FAQ
Is Iowa income tax flat or graduated?
Iowa income tax is flat. For 2026 the rate is 3.8%.
What do Iowa freelancers pay in total?
Federal self-employment tax of 15.3%, plus federal income tax, plus Iowa tax at a flat 3.8% for 2026.
How do I estimate my Iowa 1099 taxes?
Use the free MoneyFeed 1099 calculator for the federal estimate, then add Iowa tax at 3.8% of Iowa taxable income.
Figures are 2026 headline guidance for freelancers and the self-employed, not tax advice. Check current IRS and state rules or a CPA for your situation.
Self-employment tax in other states
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