Illinois charges 4.95% flat state income tax. Use the relocation tax calculator pre-loaded with Illinois rates.
Open Relocation Tax Calculator →Relocating to Illinois means adjusting to its flat 4.95% state income tax . Whether this helps or hurts depends on where you are coming from. Moving from a high-tax state like California or New York could still save you money, while relocating from a no-tax state will reduce your take-home. Illinois's cost of living index of 93 is another crucial factor: a lower salary in a cheaper area can still leave you better off. This calculator compares your current and post-move take-home with Illinois's rates.
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 relocation tax 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.