Illinois 1099 Tax Calculator 2026

Calculate your self-employment tax + federal income tax + Illinois flat state income tax (4.95%). Instant results, no signup.

🏙️ IL Flat Tax: 4.95% 📊 2026 Rates 🔒 No Data Stored

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Select Illinois in the state dropdown for an instant breakdown of all your taxes.

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Illinois Freelancer Tax Rates 2026

Illinois uses a flat state income tax of 4.95% — every dollar of income is taxed at the same rate, regardless of how much you earn.

Tax TypeRateNotes
Self-Employment Tax15.3%Federal — Social Security + Medicare
Federal Income Tax10% – 37%Progressive brackets, standard deduction applied
Illinois State Income Tax4.95%Flat rate — same for all income levels
Chicago City Income Tax0%Chicago has no personal income tax

Example: Illinois Freelancer Earning $75,000 (2026)

Tax ComponentAmount
Self-Employment Tax (15.3%)$10,597
Federal Income Tax$6,949
Illinois State Tax (4.95%)$2,708
Total Tax$20,254
Take-Home Pay$54,746
Effective Total Rate27.0%

Illinois Freelancer FAQ

What is the Illinois income tax rate for freelancers in 2026?

Illinois charges a flat 4.95% state income tax on all income levels. Unlike progressive states like New York or California, every dollar of freelance income in Illinois is taxed at the same 4.95% rate — making tax planning straightforward.

Do Chicago freelancers pay a city income tax?

No. Chicago does not have a personal income tax. Chicago and all Illinois freelancers pay only the state flat rate (4.95%) plus federal taxes. No additional city income tax applies to freelance earnings.

How much tax does an Illinois freelancer earning $75,000 pay?

An Illinois freelancer earning $75,000 pays approximately $10,597 in SE tax, $6,949 in federal income tax, and $2,708 in Illinois state income tax — totaling about $20,254, or an effective rate of roughly 27%. Take-home pay is approximately $54,746.

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