Illinois take-home pay calculator
What Illinois withholds on top of federal tax, and what reaches your account.
How Illinois taxes wages
Illinois taxes wage income at one flat rate of 4.95%, whatever you earn.
How Illinois treats pre-tax deductions
- HSA contributions
- Pre-tax, as federally
- Traditional 401(k) contributions
- Pre-tax, as federally
What else Illinois withholds
Illinois withholds no employee-paid programme on top of its income tax.
What this calculator models for Illinois
Every figure above comes from a published Illinois document. These are the rules behind those figures that this calculator applies, approximates, or leaves out.
| Rule | In this calculator |
|---|---|
| Illinois lets an allowance it subtracts from income shrink as income rises rather than fixing it, and this calculator uses the figure that applies at the top of that slide. From $250,000 of income upward, the figure used here is the exact one. | Not modelled |
Sources
Every Illinois figure on this page is transcribed from the document it links to below, last checked .
Enter your own salary in the take-home pay calculator to see these Illinois figures applied to it.