Illinois Income Tax Guide

Flat Rate Income Tax

2025 take-home pay calculator and tax rates for Illinois.

Illinois Take-Home Pay — 2025 (Single Filer)

Salary	Federal Tax	State Tax	FICA	Net Pay	Eff. Rate
$50,000	$4,010	$2,475	$3,825	$39,691	20.62%
$75,000	$8,202	$3,713	$5,738	$57,348	23.54%
$100,000	$13,702	$4,950	$7,650	$73,698	26.3%
$125,000	$19,343	$6,188	$9,563	$89,907	28.07%
$150,000	$25,343	$7,425	$11,475	$105,757	29.5%

Illinois Take-Home Calculator

Annual Salary

$10k$500k

State

Filing Status

Pay Frequency

Annual Take-Home Pay

$63,888

$2,457.23 per bi-weekly paycheck

Effective rate: 24.84% · Marginal: 22.0% federal

Gross Annual Salary	$85,000
Federal Taxable Income After std. deduction	$70,400

Federal Income Tax Marginal rate: 22.0%	−$10,402
State Income Tax IL	−$4,208
Social Security 6.2% (FICA)	−$5,270
Medicare 1.45% (FICA)	−$1,233
Total Tax Effective rate: 24.84%	−$21,112
Annual Take-Home	$63,888
Per Bi-Weekly Paycheck 26 payments/year	$2,457.23

Estimates only · 2025 IRS brackets · Local taxes not included

Frequently Asked Questions

Does Illinois have a state income tax?

Yes. Illinois has a flat-rate state income tax. See the take-home table above for exact amounts at different salary levels.

How much is $100,000 after taxes in Illinois?

A $100,000 salary in Illinois yields approximately $73,698/year take-home for a single filer in 2025. The effective tax rate is 26.3%.

What is the paycheck calculator for Illinois?

Use the interactive calculator below to compute your exact Illinois paycheck for any salary, pay frequency (weekly, bi-weekly, monthly), and filing status. It includes 2025 federal and Illinois state tax brackets.

Illinois Take-Home Pay by Salary

$30,000 $40,000 $50,000 $60,000 $70,000 $80,000 $90,000 $100,000 $120,000 $150,000

Looking for per-paycheck amounts? Illinois Paycheck Calculator →