Illinois Paycheck Calculator
Estimate your take-home pay in Illinois for 2026. Enter your gross salary to see federal income tax, FICA, and Illinois state income tax, and your net pay — per year, month, biweekly or week.
You keep 74.4% of your gross pay in Illinois.
Estimate Single filer, standard deduction, 2026 tax year. Illinois applies a flat 4.95% tax. There is no standard deduction — instead a $2,925 personal exemption reduces taxable income. Excludes local city/county income taxes, state disability/unemployment insurance (SDI/SUI), 401(k)/HSA and pre-tax deductions, health premiums, and tax credits Some of this state's brackets are modelled approximately (noted above). Always confirm with the IRS and the Illinois tax authority before relying on a figure.
Illinois take-home pay by salary (2026)
| Gross / yr | Federal | FICA | IL state | Take-home / yr | / mo |
|---|---|---|---|---|---|
| $40,000 | $2,620 | $3,060 | $1,835 | $32,485 | $2,707 |
| $60,000 | $5,020 | $4,590 | $2,825 | $47,565 | $3,964 |
| $80,000 | $8,770 | $6,120 | $3,815 | $61,295 | $5,108 |
| $100,000 | $13,170 | $7,650 | $4,805 | $74,375 | $6,198 |
| $150,000 | $24,734 | $11,475 | $7,280 | $106,511 | $8,876 |
| $200,000 | $36,734 | $14,339 | $9,755 | $139,172 | $11,598 |
Single filer, standard deduction. FICA = Social Security + Medicare. State column excludes local taxes.
How to use the Illinois paycheck calculator
- 01 Enter your gross salary and choose a pay frequency (annual, monthly, biweekly or weekly).
- 02 See federal income tax, Social Security, Medicare and Illinois state tax broken down instantly.
- 03 Read your net take-home per paycheck and your effective tax rate.
Frequently asked questions
How much is take-home pay on a $100,000 salary in Illinois?
For a single filer taking the standard deduction, a $100,000 salary in Illinois leaves an estimated $74,375 per year — about $6,198 per month. That reflects roughly $13,170 in federal income tax, $7,650 in FICA (Social Security + Medicare), and $4,805 in Illinois state income tax — an effective rate of about 25.6%.
Does Illinois have a state income tax?
Yes. Illinois applies a flat 4.95% tax. There is no standard deduction — instead a $2,925 personal exemption reduces taxable income. This calculator applies it on top of federal income tax and FICA.
How is my paycheck taxed in Illinois?
Every paycheck has federal income tax withheld using 2026 brackets and the $16,100 single standard deduction, plus FICA — 6.2% Social Security (up to the $184,500 wage base) and 1.45% Medicare (an extra 0.9% applies above $200,000). On top of that, Illinois withholds state income tax (up to 4.95%).
What does this Illinois paycheck estimate leave out?
It models a single filer with the standard deduction and no dependants or credits. It excludes local city/county income taxes, state disability/unemployment insurance (SDI/SUI), 401(k)/HSA and pre-tax deductions, health premiums, and tax credits For an exact figure, check with the IRS and the Illinois tax authority, or a qualified accountant.
Is this Illinois paycheck calculator free and private?
Yes. It is completely free, needs no sign-up, and runs entirely in your browser — nothing you type is uploaded anywhere.
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