How It Works
Illinois has a flat state income tax of 4.95%. Combined with federal taxes and FICA, we calculate your net pay.
Updated for 2025 Tax Rules
$100,000 Salary in Illinois
Wondering what a $100,000 salary looks like in Illinois? Illinois has a flat income tax rate of 4.95%. This calculator shows your estimated take-home pay after federal and state taxes.
Last updated: Dec 2025
You can also use our take home pay calculator for more details.
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