Illinois paycheck calculator 2026
Your take-home pay in Illinois after federal tax, state income tax, Social Security and Medicare.
Illinois has a flat income tax of 4.95% in 2026. On a $75,000 salary, a single filer in Illinois takes home about $58,025 a year ($2,232 every two weeks) after federal, state, Social Security and Medicare taxes — ranking #43 of the 50 states and DC, and $3,568 a year less than in states with no income tax.
Illinois taxes at a glance
Take-home pay at common salaries in Illinois
Single filer, no 401(k), 2026 tax rates. Paycheck is every two weeks (26 a year).
2026 Illinois income tax brackets
Rates apply to taxable income after the standard deduction and exemptions. Each rate only applies to the income inside its bracket.
All filers
| Taxable income | Rate |
|---|---|
| All taxable income | 4.95% |
Source: Tax Foundation, State Individual Income Tax Rates and Brackets 2026. Head of household filers use the single brackets in this calculator.
Illinois paycheck FAQ
Does Illinois have a state income tax?
Yes. Illinois has a flat income tax of 4.95% for 2026.
What is the Illinois income tax rate in 2026?
Illinois uses a single flat rate of 4.95%.
How much is $75,000 after tax in Illinois?
A single filer earning $75,000 a year in Illinois takes home about $58,025 a year, or $2,232 every two weeks. That's after $7,670 in federal income tax, $5,738 in Social Security and Medicare, and $3,568 in Illinois state taxes — an overall tax rate of 22.6%.
Do 401(k) contributions lower my Illinois taxes?
Yes. Traditional 401(k) contributions are taken out before federal and Illinois income tax, so they lower both. Social Security and Medicare are still charged on the full salary.
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