How Much Do Chemical Engineers Make in Illinois?
Median wage from BLS May 2025 — and the after-tax number the salary sites skip. Tax year 2026.
Quick answer
According to payandtaxes.com's analysis of BLS May 2025 data and 2026 tax law, the median Chemical Engineers in Illinois earns $121,560 per year and takes home $88,475 ($7,373/month) — a keep-rate of 72.8%, with 520 employed in the state.
Free. No signup. Single filer, standard deduction — full model.
| Gross pay | $10,130.00 |
| Federal income tax | $1,492.76 |
| Social Security | $628.06 |
| Medicare | $146.89 |
| Illinois state income tax | $489.37 |
| You keep | $7,372.93 |
How much do Chemical Engineers make in Illinois?
The median Chemical Engineers in Illinois earns $121,560 per year (BLS May 2025), about $58.44 per hour.
What is that after taxes?
$121,560 gross in Illinois keeps $88,475 after federal income tax ($17,913), FICA ($9,299) and state income tax ($5,872) — $7,373 per month, a 72.8% keep-rate.
How does Illinois compare to the national median for Chemical Engineers?
The Illinois median is $3,480 below the national median of $125,040.
Which state pays Chemical Engineers the most?
New Mexico has the highest median gross for Chemical Engineers at $158,190 — but compare take-home, not gross: state taxes change the order.
Chemical Engineers salary in every state · Illinois paycheck calculator · Illinois minimum wage