Illinois Paycheck Calculator: Take-Home Pay After Taxes (2026)
Illinois levies a flat 4.95% income tax on all taxable income. Unlike graduated-tax states, every dollar above the personal exemption ($2,625) is taxed at the same rate. Illinois also has some of the highest property taxes in the nation, averaging 2.07%.
Your Take-Home Pay
$58,010/year
Effective tax rate: 22.7% | Marginal rate: 22%
| Component | Annual |
|---|---|
| Gross salary | $75,000 |
| Federal income tax | -$7,670 |
| State tax (Illinois) | -$3,583 |
| Social Security (6.2%) | -$4,650 |
| Medicare (1.45%) | -$1,088 |
| Take-home pay | $58,010 |
Illinois Tax Key Facts (2026)
State Income Tax
4.95% flat
Standard Deduction
$2,625 exemption
Avg. Property Tax
2.07%
Sales Tax
6.3%
Illinois Take-Home Pay at Every Salary Level
| Gross Salary | Federal Tax | State Tax | Take-Home |
|---|---|---|---|
| $40,000 | -$2,620 | -$1,850 | $32,470 |
| $50,000 | -$3,820 | -$2,345 | $40,010 |
| $60,000 | -$5,020 | -$2,840 | $47,550 |
| $75,000 | -$7,670 | -$3,583 | $58,010 |
| $85,000 | -$9,870 | -$4,078 | $64,550 |
| $100,000 | -$13,170 | -$4,820 | $74,360 |
| $125,000 | -$18,734 | -$6,058 | $90,646 |
| $150,000 | -$24,734 | -$7,295 | $106,496 |
| $200,000 | -$36,734 | -$9,770 | $139,157 |
| $250,000 | -$51,304 | -$12,245 | $170,937 |
How Illinois Income Tax Works
Illinois uses a flat income tax rate of 4.95%. The personal exemption is $2,625 per person (not a standard deduction). So on a $100,000 salary, you pay 4.95% on $97,375, which equals $4,820 in state income tax. There are no additional brackets.
Local Taxes
Chicago does not levy a city income tax. However, Cook County and other Illinois localities have various taxes including a Cook County sweetened beverage tax and higher sales taxes that affect overall cost of living.
Compared to Other States
Illinois' 4.95% flat rate is moderate compared to California's 9.3% top rate or New York's 6.85%, but higher than Pennsylvania (3.07%), Indiana (3.05%), or nearby Iowa (3.8% flat). The real cost of living in Illinois comes from property taxes: at 2.07% average, a $300,000 home costs about $6,200/year in property tax.
Illinois Tax FAQ
Is Illinois income tax really flat?
Yes. Illinois taxes all income above the personal exemption at a flat 4.95%. A 2020 ballot measure to switch to graduated rates was defeated by voters.
What is the Illinois personal exemption?
The personal exemption is $2,625 per person for 2026. This is subtracted from gross income before the 4.95% rate applies.
How much is $100K after taxes in Illinois?
A $100,000 salary in Illinois as a single filer yields approximately $74,360 in annual take-home pay.
Does Chicago have a city income tax?
No. Chicago does not levy a city income tax. The only income tax in Illinois is the state flat tax of 4.95%.