How Much Do Mechanical 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 Mechanical Engineers in Illinois earns $102,680 per year and takes home $76,128 ($6,344/month) — a keep-rate of 74.1%, with 11,790 employed in the state.
Free. No signup. Single filer, standard deduction — full model.
| Gross pay | $8,556.67 |
| Federal income tax | $1,146.62 |
| Social Security | $530.51 |
| Medicare | $124.07 |
| Illinois state income tax | $411.49 |
| You keep | $6,343.97 |
How much do Mechanical Engineers make in Illinois?
The median Mechanical Engineers in Illinois earns $102,680 per year (BLS May 2025), about $49.37 per hour.
What is that after taxes?
$102,680 gross in Illinois keeps $76,128 after federal income tax ($13,759), FICA ($7,855) and state income tax ($4,938) — $6,344 per month, a 74.1% keep-rate.
How does Illinois compare to the national median for Mechanical Engineers?
The Illinois median is $1,430 below the national median of $104,110.
Which state pays Mechanical Engineers the most?
New Mexico has the highest median gross for Mechanical Engineers at $157,710 — but compare take-home, not gross: state taxes change the order.
Mechanical Engineers salary in every state · Illinois paycheck calculator · Illinois minimum wage