Illinois · 2026 tax year

Illinois Paycheck Calculator 2026

Estimate your Illinois take-home pay with a dedicated Illinois salary calculator.

Calculate your take-home pay in Illinois. Illinois applies a flat 4.95% individual income tax, so your estimate includes federal income tax, FICA, and Illinois withholding.

Your details

Build your estimate

Start with the basics. You can fine-tune your W-4 below.

Fine-tune your W-4 details

I have multiple jobs or my spouse worksUses the Step 2 checked withholding schedule.

Dependents credit$Extra withholding$Pre-tax 401(k)$Health insurance$HSA contribution$

Dollar amounts are entered per paycheck. Health insurance is treated as a pre-tax deduction.

Estimated take-home

$2,351.91

Per paycheck after estimated taxes

2026 estimate

Where your gross pay goes$3,076.92

Net payFederal taxFICAState taxDeductions

Federal income tax$337.31

Social Security$190.77

Medicare$44.62

State income tax$152.31

Pre-tax deductions$0.00

Net pay$2,351.91

Estimates use your 2026 inputs. Actual paychecks can vary with employer payroll settings and benefits.

Understand the result

Illinois paycheck tax breakdown

Federal withholding, FICA, and Illinois rules are shown together so you can understand your illinois take-home pay.

Taxes included in a Illinois paycheck estimate
Line item	2026 treatment	What it means
Federal income tax	2026 IRS withholding tables	Varies with pay, filing status, W-4 Step 2, credits, and adjustments.
FICA	Social Security 6.2% up to $184,500; Medicare 1.45%	Additional Medicare Tax can apply at the federal threshold.
Illinois withholding	Flat 4.95% individual income tax	Illinois uses a flat individual income tax rate.

Illinois salary calculator

Use annual salary or hourly pay to compare illinois take-home pay across weekly, biweekly, semimonthly, and monthly schedules.

Federal brackets still apply

State rules do not remove federal withholding. The 2026 IRS schedules use filing status and W-4 details to estimate FIT.

FICA limits matter

Social Security uses the $184,500 wage base for 2026. Medicare continues separately, including the additional threshold rule.

Common questions

Illinois paycheck calculator FAQ

How does Illinois state tax affect take-home pay?

Illinois applies a flat 4.95% individual income tax, so your estimate includes federal income tax, FICA, and Illinois withholding.

How does the Illinois paycheck calculator work?

Enter your salary or hourly rate, pay frequency, filing status, and optional W-4 details to estimate illinois take-home pay for 2026.

What is the 2026 Social Security wage base?

The 2026 Social Security wage base is $184,500. Employee Social Security withholding applies up to that covered-wage limit, while Medicare is calculated separately.