LegibleTax
Annual tax worksheet

Illinois

Enter your numbers in each section. Anything you leave blank stays an estimate.

Income tax

Annual income
Filing status
Kids at home

Federal Child Tax Credit — $2,000 per child under 17.

Federal income tax
$29,043
19.36% effective · 2024 · single

Computed on gross income, less the federal Child Tax Credit ($2,000 per child under 17, phasing out above $200k single / $400k married). Still simplified — it ignores the standard deduction, other credits, the refundable-credit cap, and payroll (FICA) taxes.

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Illinois state income tax
$7,425
4.95% of income

Flat 4.95% state income tax — a graduated rate is barred by the Illinois constitution. No local income tax anywhere in the state.

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Subtotal $36,468

Sales tax

Taxable purchases

Yearly spending subject to sales tax

Illinois sales tax est.
$2,500
6.25% of purchases

6.25% state base rate; counties, cities, and transit districts add local rates on top.

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Gasoline tax

Gas

Gallons of gas a year (~500 typical)

Federal gasoline excise est.
$92
18.4¢/gal

A flat federal excise, unchanged since 1993 and not indexed to inflation: 18.4¢ per gallon (18.3¢ to the Highway Trust Fund plus 0.1¢ for leaking underground storage tanks). It applies in every state; states add their own.

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Illinois gasoline tax est.
$332
66.4¢/gal

High total state fuel taxes — Illinois also applies sales tax to gasoline; Chicago adds more.

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Subtotal $424

What's left

Federal incomeState incomeSalesGasolineTake-home
Total tax
estimate — add home & spending
$38,243–$41,607
Take-home$108,393–$111,757

26.26% of your income goes to taxes.

That's $39,392 to federal, state, and local governments this year; you keep $110,608. The gray slice of the bar is what's actually yours.

The same numbers elsewhere

Your inputs, other places — tap to see the breakdown.

New York City, NY$52,931→Chicago, IL$50,492→Los Angeles, CA$49,704→

About Illinois

Illinois

Illinois has a flat 4.95% state income tax (a graduated rate is barred by the state constitution) and no local income tax. Its 6.25% base sales tax is where things get interesting — local add-ons in Chicago push the combined rate to the highest of any major U.S. city.

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