Self-Employment Tax Calculator for Iowa

Freelancing in Iowa means stacking a flat 3.8% state income tax on top of the 15.3% self-employment tax and federal income tax. The combined marginal rate for freelancers here can exceed 41% on income in the 22% federal bracket. Careful quarterly estimated payment planning is critical to avoid underpayment penalties. This calculator factors in Iowa's state tax and the deductible half of SE tax to give you an accurate picture.

Iowa levies a flat 3.8% state income tax on all taxable income regardless of how much you earn. This makes tax planning straightforward: for every additional dollar you earn, 3.8 cents goes to Iowa. Iowa does not impose local income taxes, so the 3.8% flat rate is the only state-level income tax you owe.

The table below shows what you actually keep at five salary levels in Iowa, accounting for federal tax, FICA, and Iowa's flat 3.8% state tax.

See how Iowa compares to other Midwest states. Each link takes you to the self-employment tax calculator landing page for that state.

For a comprehensive breakdown of Iowa’s tax structure, salary comparisons, cost-of-living analysis, and more, visit the full Iowa take-home pay page.