Illinois Paycheck Calculator — Calculate Your Take-Home Pay

Use our free Illinois paycheck calculator to calculate your net take-home pay after Illinois state income tax (top rate 4.95%), federal income tax, Social Security, and Medicare. Updated for 2025.

✓ Illinois Tax Rates ✓ 2025 Federal Brackets ✓ Instant Results ✓ Free
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Illinois Paycheck Calculator

⚙️ Add Deductions (optional)
401(k), HSA, health insurance
⚠️ Local Tax Note: Chicago levies a city tax through the Chicago Personal Property Lease Transaction Tax. Some Illinois municipalities have their own tax obligations.

Illinois State Income Tax Rates (2025)

Illinois has a flat 4.95% income tax rate, enshrined in the state constitution. A 2020 referendum to allow graduated rates was rejected by Illinois voters.

Illinois uses a flat 4.95% income tax rate on all taxable income.

The minimum wage in Illinois is $14.00/hr as of 2025. Illinois's minimum wage exceeds the federal minimum of $7.25/hr.

How to Calculate Your Illinois Paycheck

Your Illinois take-home pay is your gross pay minus the following deductions:

This calculator also serves as a Illinois payroll calculator, Illinois salary calculator, Illinois income calculator, and Illinois take home pay calculator. Whether you search for "IL paycheck calculator" or "illinois wage calculator," this tool gives you accurate 2025 results.

  • Federal Income Tax — based on 2025 IRS brackets and your filing status (10%–37%)
  • Social Security — 6.2% of wages up to $176,100 (2025 wage base)
  • Medicare — 1.45% of all wages (plus 0.9% surtax on earnings over $200,000)
  • Illinois State Income Tax — calculated using Illinois's 2025 tax brackets (top rate 4.95%)
  • Local/County Tax — Chicago levies a city tax through the Chicago Personal Property Lease Transaction Tax. Some Illinois municipalities have their own tax obligations.
  • Pre-tax deductions — 401(k), HSA, health insurance premiums reduce your taxable income

Frequently Asked Questions — Illinois Paycheck

Illinois's top income tax rate is 4.95%. The state uses a flat rate applied to all taxable income.
Illinois income tax is calculated on your annual taxable income. For paycheck withholding, your employer annualizes your per-period pay, calculates the annual tax, then divides by your pay periods per year.
The minimum wage in Illinois is $14.00/hr. This exceeds the federal minimum of $7.25/hr.
Chicago levies a city tax through the Chicago Personal Property Lease Transaction Tax. Some Illinois municipalities have their own tax obligations.
Contributing to pre-tax accounts like a 401(k), HSA, or FSA reduces your Illinois taxable income dollar-for-dollar. A $500/month 401(k) contribution can save $25/month in Illinois state tax alone.