Illinois charges a flat 4.95% state tax. The same rate applies if you earn $30,000 or $300,000. A $75,000 salary brings home about $55,500 a year — or $4,625 a month. Enter your hourly wage below for your real number.
Default preview shows $25/hour at 40 hours/week. Enter your wage to personalize.
Quick reference for popular hourly wages and what they translate to as salary after tax in Illinois—using the state's flat 4.95% rate.
$15/hour is about $31,200 a year before tax. Take-home is around $2,125 a month. Lower than Texas, but cost of living outside Chicago is fair.
$20/hour leaves about $2,780 a month for a single filer in Illinois. That works for rent in Aurora, Joliet, or Rockford. Chicago feels tighter.
$25/hour in Illinois takes home about $3,430 a month. Comfortable across most of the state. Chicago and the wealthier suburbs feel tight once property tax shows up in your rent.
At $30/hour, take-home is near $4,080 a month in Illinois. The flat tax keeps your raises easy to plan. Property tax is the bigger worry for buyers.
$40/hour pays about $5,200 a month after tax in Illinois. The flat rate means your take-home does not shrink at higher pay the way it does in California or New York.
Estimates use single-filer assumptions and Illinois' flat 4.95% state income tax with the federal standard deduction—your withholding may differ.
$25/hour in Illinois leaves about $3,430 a month after tax. That works in most of the state. It feels tight in Chicago and some suburbs where housing and transit costs run high.
Chicago is the priciest part of Illinois. Most of all near transit and jobs. Downstate cities like Peoria, Decatur, or Champaign offer lower rent.
The 4.95% flat tax makes your paycheck simple. But county property tax can shape your real cost. It can even push up rent in some suburbs.
Chicago has CTA and Metra, which can cut car costs. Most suburban and downstate households still need a car. That adds gas and insurance to your monthly bills.
$25/hour stretches in Springfield, Bloomington, or Rockford. It is tighter on Chicago's North Side or in high-tax suburbs. County and school-district costs drive the gap.
Illinois is unlike most big states. The state tax is simple. But the property tax is where most people feel the cost.
Illinois charges 4.95% across all income levels. That makes it easy to model a raise, side gig, or bonus. No bracket math needed.
The state rate does not climb with income. So most workers can forecast take-home with few surprises when their pay changes.
For buyers, property tax matters more than the state tax line. A Chicago suburb may cost more in tax than a downstate home twice the size.
A side-by-side view of how Illinois stacks up against high-tax and no-tax states for the same gross pay.
| State | Take-home pay | Notes |
|---|---|---|
| Illinois | Mid | 4.95% flat state income tax. Property tax among highest in US. |
| California | Lower | Progressive state income tax + SDI reduce net pay. |
| New York | Lower | State and (in NYC) local income taxes apply. |
| Texas | Higher | No state income tax. Property and sales taxes vary. |
| Florida | Higher | No state income tax. Sales tax structure differs from Illinois. |
On a $70,000 salary, take-home is about $4,400 a month. In Chicago, many renters spend 30% to 40% of that on housing. Outside Chicago — Aurora, Joliet, Rockford, Peoria, or Champaign — the same income covers rent at 25% to 30% and leaves more room to save.
Compare your real options in the rent vs buy calculator. Use it before you sign a Chicago lease or buy in the suburbs where property tax is high.
Designed for Illinois readers comparing flat-tax paycheck math with county-level housing costs.
Illinois uses a flat 4.95% state tax. The rate is the same at every income level. Unlike California or New York, it does not climb as you earn more.
No. Chicago does not tax wages directly. You still pay federal tax, FICA, and the Illinois state tax. Plus higher sales tax and property tax.
County property tax rates, school districts, and local demand drive big monthly gaps. In many Illinois markets, the local property tax matters more than the paycheck tax line.
$30 an hour at 40 hours/week is about $62,400 gross. After federal tax, FICA, and the 4.95% state tax, take-home is around $4,080 a month. Use the calculator above for your real number.
Run after-tax estimates for any US state, not just Illinois—our main income calculator.
Open income calculatorCompare the long-term cost of renting and buying in Illinois with your take-home pay in mind—especially given high property taxes.
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