Illinois Paycheck Calculator 2026
Enter your salary to see your Illinois take-home pay after federal and state taxes, FICA, and deductions. Instant results.
Federal tax brackets
Taxable income: $58,900
Where your paycheck goes
Average costs in this state vs your $4,823/mo take-home
Based on avg local costs (BLS Consumer Expenditure Survey + MERIC 2025).
Estimate based on 2026 tax rates and standard deductions. Does not include local taxes, itemized deductions, tax credits, or other individual circumstances. For official Illinois tax information, visit the Illinois Department of Revenue.
Illinois income tax: 4.95% flat rate
Illinois uses a flat income tax rate of 4.95%. All taxable income is taxed at the same rate regardless of how much you earn. This simplifies tax calculations — your state tax is simply your taxable income multiplied by 4.95%.
Pre-tax deductions like 401(k) contributions and Section 125 health insurance premiums reduce your taxable income before the flat rate is applied.
On a $100,000 salary in Illinois, you'd take home $74,230 after federal taxes, Social Security, and Medicare — an effective total tax rate of 25.8%, including the 4.95% flat state rate.
Illinois has a constitutionally mandated flat income tax rate of 4.95%.
Illinois take-home pay by salary
| Gross salary | Take-home | Total tax | Effective rate |
|---|---|---|---|
| $50,000 | $39,880 | $10,120 | 20.2% |
| $75,000 | $57,880 | $17,120 | 22.8% |
| $100,000 | $74,230 | $25,770 | 25.8% |
| $150,000 | $106,366 | $43,634 | 29.1% |
| $200,000 | $139,027 | $60,973 | 30.5% |
| $300,000 | $200,327 | $99,673 | 33.2% |
Single filer, biweekly pay. Includes federal tax, Illinois state tax, Social Security, and Medicare. No deductions.
Resources
- Illinois Department of Revenue — official Illinois tax information
- IRS Tax Withholding Estimator — check your federal withholding
- SSA Retirement Estimator — estimate your Social Security benefits
Cost of living in Illinois
Cost of living in Illinois is 5% below the national average.
$260,000
$1,180/mo
$3.60/gal
$108/mo
$16,107/yr
Major metros: Chicago (COL 107)
Sources: MERIC/C2ER Cost of Living Index (2025), AAA Fuel Gauge Report (2025), EIA State Electricity Profiles (2024)
FAQ
What is the income tax rate in Illinois?
Illinois has a flat income tax rate of 4.95%.
How accurate is this Illinois paycheck estimate?
This provides a reasonable estimate using 2026 federal and Illinois state tax rates. It does not include local/city taxes, state-specific deductions or credits, or other individual factors. Visit the Illinois Department of Revenue for official guidance.
What is the cost of living in Illinois?
Living costs are about 3% below the national average. Illinois's Regional Price Parity index is 97.1 (US average = 100). The median household income in Illinois is $78,433 as of 2023.
Compare
- Illinois Raise Calculator — see how a raise affects your take-home pay
- Compare with California
- Compare with Texas
- Compare with New York
- Illinois Cost of Living Calculator — compare expenses with any other state
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