Paycheck Calculator for Illinois

Illinois uses a flat 4.95% income tax, so the state withholding on each paycheck is predictable and easy to verify. Your employer withholds federal tax progressively, FICA at the standard 7.65%, and a flat 4.95% for Illinois. There are no additional local income taxes, keeping your paycheck calculation straightforward. Enter your gross pay into the calculator to see exactly what lands in your bank account each pay period.

Illinois levies a flat 4.95% state income tax on all taxable income regardless of how much you earn. This makes tax planning straightforward: for every additional dollar you earn, 4.95 cents goes to Illinois. Illinois does not impose local income taxes, so the 4.95% flat rate is the only state-level income tax you owe.

The table below shows what you actually keep at five salary levels in Illinois, accounting for federal tax, FICA, and Illinois's flat 4.95% state tax.

See how Illinois compares to other Midwest states. Each link takes you to the paycheck calculator landing page for that state.

For a comprehensive breakdown of Illinois’s tax structure, salary comparisons, cost-of-living analysis, and more, visit the full Illinois take-home pay page.