Illinois Income Tax Calculator (2025)

Your details

Your total annual wages, salary, or self-employment income before any deductions.
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Your federal and state filing status. Married filing jointly combines both spouses' income.
Number of qualifying dependents. Each adds $2,850 to your Illinois personal exemption.
Pension, 401(k), or IRA distributions included in your gross income. Illinois exempts most retirement income from state tax.
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Self-employed individuals pay both the employer and employee shares of FICA (15.3% on net earnings), but can deduct half for federal purposes.
Traditional 401(k) contributions reduce your federal taxable income. Illinois does NOT allow a deduction for 401(k) contributions.
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Illinois offers a property tax credit equal to 5% of property taxes paid on your principal residence, up to a maximum that offsets your Illinois tax.
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Illinois does not have a standard deduction - only the personal exemption applies at the state level.
Annual take-home payModerate total tax burden
57,742USD

Income remaining after all federal, state, and FICA taxes

Illinois state tax3,571USD
Federal income tax7,949USD
FICA (Social Security + Medicare)5,738USD
Total taxes17,258USD
Effective Illinois rate0.05%
Effective federal rate0.11%
Effective total rate23.01%
Monthly take-home pay4,812USD
Illinois property tax credit0USD
23.01% %
Light burden<15%Moderate15%-25%High burden25%-35%Very high35%+

You keep $57,742 of your $75,000 income (77.0% take-home rate).

  • Your Illinois state tax is $3,571 at an effective rate of 4.76%. The state flat rate is 4.95%, but exemptions reduce your effective rate.
  • Federal income tax comes to $7,949, and FICA payroll taxes add another $5,738, bringing total taxes to $17,258.
  • You keep $57,742 per year ($4,812 per month), which is 77.0% of your gross income.

Next stepConsider whether maximizing pre-tax 401(k) contributions would reduce your federal taxable income. Illinois does not tax most retirement income, making it relatively favorable for retirees.

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