Illinois Hourly Paycheck Calculator
Free Illinois (IL) hourly paycheck calculator with 2026 state and federal tax rates. Estimates are for planning — not tax advice.
Paycheck Breakdown
- Gross Pay$1,640.00
- Federal Income Tax−$112.95
- Illinois State Tax−$75.61
- Social Security (6.2%)−$50.84
- Medicare (1.45%)−$11.89
- Net Pay$1,388.70
Illinois Paycheck & Tax Overview
Illinois state withholding uses 4.95% as the top marginal rate in our 2026 model. The Illinois minimum wage is $15.00/hour as of 2026 (verify with your state labor department for the latest rate). Workers in Chicago, Springfield, Naperville, and elsewhere in Illinois use this Illinois hourly paycheck calculator with 2026 tax tables — Illinois applies a 4.
Illinois State Income Tax Brackets — 2026
| Taxable income (annual) | Rate |
|---|---|
| Flat rate on taxable wages | 4.95% |
Example: Illinois paycheck for $20.50/hour at 40 hours/week
Single filer, biweekly pay — estimated $1,640 gross per check, about $1,389 take-home after federal ($113), state ($76), and FICA ($63). Enter your own numbers in the calculator for a personalized result.
Official tax sources
We align calculations with IRS Publication 15-T and state revenue guidance. Verify rules on official sites:
More Illinois calculator tools
All state calculators · ← US Paycheck Calculator · Illinois Pay Stub Generator →
Illinois Paycheck Calculator FAQ
Does Illinois have state income tax on paychecks?
Yes. Illinois applies a 4.95% flat state income tax on taxable wages after deductions.
How much tax is taken out of a $20.50/hour at 40 hours/week paycheck in Illinois?
For a single filer paid biweekly, estimated biweekly gross is about $1,640 with net take-home around $1,389 (federal ~$113, state ~$76, FICA ~$63). Your actual check varies with W-4, benefits, and local taxes.
How is Illinois paycheck tax different from other states?
Illinois state withholding uses 4.95% as the top marginal rate in our 2026 model. Our 2026 calculator applies flat 4.95% state income tax for Illinois workers.
What is the Illinois minimum wage for 2026?
Illinois's reference minimum wage on this page is $15.00/hour. Minimum wage affects gross pay; net pay depends on withholding and deductions in the calculator above.
How do I calculate hourly paycheck taxes in Illinois?
Multiply your hourly rate by hours worked for gross pay, then apply federal, Illinois state, and FICA rules. The calculator above defaults to hourly mode with Illinois tax data for 2026.
Is this Illinois calculator updated for 2026?
Yes. We update Illinois brackets, flat rates, SDI, and federal tables each tax year. Last reviewed for the 2026 tax year. Estimates only — not tax advice.