How Much Do Environmental 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 Environmental Engineers in Illinois earns $107,990 per year and takes home $79,600 ($6,633/month) — a keep-rate of 73.7%, with 940 employed in the state.
Free. No signup. Single filer, standard deduction — full model.
| Gross pay | $8,999.17 |
| Federal income tax | $1,243.97 |
| Social Security | $557.95 |
| Medicare | $130.49 |
| Illinois state income tax | $433.39 |
| You keep | $6,633.36 |
How much do Environmental Engineers make in Illinois?
The median Environmental Engineers in Illinois earns $107,990 per year (BLS May 2025), about $51.92 per hour.
What is that after taxes?
$107,990 gross in Illinois keeps $79,600 after federal income tax ($14,928), FICA ($8,261) and state income tax ($5,201) — $6,633 per month, a 73.7% keep-rate.
How does Illinois compare to the national median for Environmental Engineers?
The Illinois median is $880 above the national median of $107,110.
Which state pays Environmental Engineers the most?
Louisiana has the highest median gross for Environmental Engineers at $130,510 — but compare take-home, not gross: state taxes change the order.
Environmental Engineers salary in every state · Illinois paycheck calculator · Illinois minimum wage