Does Illinois have a state income tax in 2026?

Yes. Flat 4.95%. Illinois has a flat rate plus a personal exemption.

How much is take-home pay on $80,000 in Illinois?

A single W-2 filer keeps about $61,295 a year ($5,108 a month), or 76.6% of gross, before local city tax.

How much state tax is on $80,000 in Illinois?

About $3,815 of Illinois income tax on $80,000 of wages for a single filer using the standard deduction.

Illinois paycheck calculator

On $80,000, a single W-2 filer in Illinois keeps about $61,295 after federal, FICA, and state tax. Flat 4.95%.

2026 paycheck inputs

Gross pay

Match the frequency below. Hourly is hours per week × 52. Dollar signs and commas are fine.

Frequency

Hours / week

State

City (optional local tax)

Filing status

Employment

Traditional 401(k) / year

Local tax override %

Take-home

$61,295

$5,108 a month · 76.6% of gross after tax

Monthly: $5,108
Biweekly: $2,357
Weekly: $1,179
Hourly take-home: $29.47
Effective tax rate: 23.4%
Federal marginal: 22.0%

Federal income tax	$8,770
State income tax	$3,815
Social Security	$4,960
Medicare	$1,160
Total tax	$18,705

Illinois has a flat rate plus a personal exemption. Annual liability estimate for tax year 2026, not a W-4 withholding forecast.

State guide City cost of living W-2 vs 1099

How Illinois taxes a paycheck

Illinois has a flat rate plus a personal exemption.

At $120,000, the same single filer keeps about $87,455 (72.9% of gross). Local city taxes are not in the state figure — add them if you live in a locality that levies a wage tax.

Cities in Illinois

Chicago

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