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Next IRS deadline:Extended 2025 tax returns due ·

2026 tax year · updated

Illinois income tax calculator

Illinois has a flat income tax of 4.95%. Estimate your federal and Illinois income tax, and your refund, below.

$
Filing status
Other income, children, overtime and withholding

Overtime premium = the half in time-and-a-half, about a third of your time-and-a-half overtime pay. Not sure? Use the no tax on overtime calculator.

Total income tax 2026

15.0% effective

$75,000 income · Single · Illinois

$11,238

Add your withholding under “Other income, children, overtime and withholding” to see your refund or amount owed.

Federal income tax
$7,670
State income tax
$3,568

Social Security and Medicare on wages are withheld separately and are not part of income tax.

How your income is taxed (federal)

  • 10% on $12,400$1,240
  • 12% on $38,000$4,560
  • 22% on $8,500$1,870

Federal taxable income after the standard deduction: $58,900.

What this estimate assumes
  • Standard deduction (no itemizing)
  • No child tax credit
  • Other income taxed at ordinary rates (no qualified dividends or capital gains)
  • No local income tax
  • Excludes the 2025 law deductions for tips, overtime, seniors and car loan interest

Estimate for information only, not tax advice. 2026 figures from IRS Rev. Proc. 2025-32 and state sources.

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Illinois income tax at common incomes

Wages only, standard deduction, 2026. Federal + Illinois tax; Social Security and Medicare not included.

Illinois income tax by income
WagesState (single)Total (single)Total (married)
$40,000$1,835$4,455 (11.1%)$2,470
$60,000$2,825$7,845 (13.1%)$5,520
$75,000$3,568$11,238 (15.0%)$8,063
$100,000$4,805$17,975 (18.0%)$12,300
$150,000$7,280$32,014 (21.3%)$22,475
$250,000$12,230$63,984 (25.6%)$49,553

Illinois brackets

4.95% over $0 (single).

How Illinois taxes changed

Illinois's rates and deductions did not change for 2026. State tax on $85,000 of 1099 profit falls from $3,769 to $3,765 (−$4).

Illinois income tax on $85,000 of 1099 profit
2025: $3,769$3,76920252026: $3,765$3,7652026
Take-home pay on a $75,000 salary
2025: $57,742$57,74220252026: $58,025$58,0252026
Illinois income tax by year
20252026
Top income tax rate4.95%4.95%
Standard deduction (single)——
State tax on $85,000 of 1099 profit$3,769$3,765
Take-home on a $75,000 salary$57,742$58,025

Each year uses that year's federal and Illinois rules, so the take-home row also reflects federal changes. Federal changes · All data updates

Sources: Illinois revenue department, Tax Foundation, State Individual Income Tax Rates and Brackets, IRS Rev. Proc. 2025-32. Methodology.

Illinois income tax FAQ

What is the Illinois income tax rate for 2026?

Illinois has a flat income tax of 4.95%. The top rate is 4.95%.

How much Illinois income tax do I pay on $75,000?

About $3,568 for a single filer with $75,000 of wages in 2026, on top of $7,670 of federal income tax.

Does Illinois have local income taxes?

No. Illinois localities do not levy a separate income tax.