A $85,000 salary in Illinois takes home about $64,565 a year ($2,483 per biweekly paycheck) after $9,870 federal income tax, $4,063 Illinois income tax and $6,503 FICA (Social Security and Medicare). Assumes a single filer taking the standard deduction, 2026 federal and Illinois rates, and no 401(k) or other pre-tax deductions.
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