Illinois Paycheck Calculator 2026
Last updated: May 2026 · By Ethan Blake · Tax Compliance Specialist
Illinois state income tax: 4.95% flat. See your exact take-home below. Use the free paycheck calculator for your exact situation.
✅ KEY TAKEAWAYS
- Illinois has a flat 4.95% state income tax — same rate for all income levels
- A $50,000 salary nets roughly $3,096/month after federal, state, and FICA taxes
- Illinois does not tax Social Security, pensions, or 401(k) distributions
- FICA (Social Security 6.2% + Medicare 1.45%) applies to all Illinois workers
- No local income tax in most Illinois cities outside Chicago
Illinois has a flat 4.95% income tax rate for all income levels.
Illinois Take-Home Pay by Salary (Single Filer, 2026)
| Annual Salary | Monthly Gross | Monthly Take-Home | Biweekly Take-Home |
|---|---|---|---|
| $30,000 | $2,500 | $1,982 | $1,829 |
| $40,000 | $3,333 | $2,562 | $2,363 |
| $50,000 | $4,167 | $3,096 | $2,856 |
| $60,000 | $5,000 | $3,596 | $3,317 |
| $75,000 | $6,250 | $4,284 | $3,953 |
| $100,000 | $8,333 | $5,450 | $5,030 |
Frequently Asked Questions
What is Illinois income tax rate 2026?
Illinois has a flat 4.95% state income tax rate that applies to all income levels equally.
How much is $50,000 take-home in Illinois?
Approximately $37,152/year ($3,096/month) after federal, FICA, and IL state tax (4.95% flat).
Does Illinois tax retirement income?
Illinois does not tax most retirement income including Social Security, pensions, and 401(k) distributions.
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Ethan Blake
Tax Compliance Specialist · Since 2017
Ethan Blake has helped 5,000+ freelancers and employees navigate IRS paycheck withholding, FICA, and take-home pay calculations. IRS Self-Employed Tax Center ↗
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