Illinois Monthly Paycheck Calculator 2026 — Net Monthly Take-Home Pay

Illinois Monthly Paycheck Calculator (2026)

See your monthly take-home pay in Illinois. The estimate applies 2026 federal brackets, FICA and Illinois state income tax to a monthly pay schedule.

Your details

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Pay type

Annual salary ($)

Hourly rate ($)

Hours per week

Paid weeks per year

Filing status

State

Pay frequency

401(k) deferral (% of gross)

Pre-tax deductions per check ($)

Estimated result

2026 rates

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Illinois income tax in 2026

Illinois taxes all taxable wages at a flat 4.95%. The state standard deduction is no state standard deduction, and the modeled personal exemption is $2,925 per person ($5,850 per couple) where applicable.

Illinois rates compiled from the Tax Foundation 2026 state tables and IRS Rev. Proc. 2025-32 · retrieved 2026-09-01.

Illinois tax brackets (single filers, 2026)

Taxable income	Rate
$0 – and above	4.95%

Married filing jointly brackets are the same as single filers here.

Frequently asked questions

What is the state income tax in Illinois in 2026?

Illinois taxes all taxable wages at a flat 4.95%. The state standard deduction is no state standard deduction.

How is my paycheck calculated in Illinois?

Net pay = gross pay − federal income tax − Social Security (6.2% up to $184,500) − Medicare (1.45%, plus 0.9% above $200k single / $250k joint) − Illinois state income tax − pre-tax deductions.

Are local income taxes included for Illinois?

This calculator covers state-level income tax only; any city or county wage taxes in Illinois would be additional.