Paycheck Calculator 2026
Illinois Paycheck Calculator
Estimate take-home pay in Illinois after federal income tax, Illinois state tax, and FICA. The state rate below is pre-filled — adjust it for local taxes if needed.
Pre-filled with a flat 4.95% state income tax. Estimates use current (2025) federal brackets and standard deductions and don't account for pre-tax deductions, credits, or every local rule — your actual paycheck may differ. Gusto runs these figures exactly on every payroll.
Illinois payroll taxes
Illinois applies a flat 4.95% income tax to all wage earners regardless of income.
On top of any state tax, every Illinois paycheck has federal income tax withheld based on the employee's W-4, plus Social Security (6.2%) and Medicare (1.45%). Employers also pay federal and state unemployment taxes. See the full breakdown in our payroll taxes guide.
Run Illinois payroll automatically
Calculating this by hand every pay period is error-prone. Gusto handles Illinois payroll end to end — it calculates federal, state, and local taxes, files and pays them for you, and pays your team by direct deposit. Check Gusto's pricing, or get a $300 Visa card when you run your first payroll.