Illinois Income Tax Guide — What You Actually Keep
Data: 2026-Q2 · BLS · HUD · KFFIllinois tax overview
Illinois has a flat income tax rate of 4.95%.
4.95% top marginal rate
Take-home pay by salary
Single filer, standard deduction. Illustrative — not exact. Source: IRS 2025, Tax Foundation 2025.
Illinois vs a no-tax state (Texas)
$50,000 salary $2,475/yr more in TX
$70,000 salary $3,465/yr more in TX
$100,000 salary $4,950/yr more in TX
$130,000 salary $6,435/yr more in TX
$180,000 salary $8,910/yr more in TX
FAQ
Illinois Income Tax — FAQ
What is the income tax rate in Illinois?
Illinois has a top marginal state income tax rate of 4.95%. Illinois has a flat income tax rate of 4.95%. Source: Tax Foundation 2025.
What is take-home pay on $70,000 in Illinois?
On a $70,000 salary in Illinois, take-home pay after federal income tax, FICA, and state tax is approximately $4,514/month. Source: IRS 2025, Tax Foundation 2025.
How does Illinois compare to a no-tax state?
On a $70,000 salary, you'd keep about $3,465 more per year in a no-tax state like Texas. Source: Tax Foundation 2025.