How Much Do Stationary Engineers and Boiler Operators 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 Stationary Engineers and Boiler Operators in Illinois earns $115,780 per year and takes home $84,695 ($7,058/month) — a keep-rate of 73.2%, with 1,680 employed in the state.
Free. No signup. Single filer, standard deduction — full model.
| Gross pay | $9,648.33 |
| Federal income tax | $1,386.79 |
| Social Security | $598.20 |
| Medicare | $139.90 |
| Illinois state income tax | $465.53 |
| You keep | $7,057.92 |
How much do Stationary Engineers and Boiler Operators make in Illinois?
The median Stationary Engineers and Boiler Operators in Illinois earns $115,780 per year (BLS May 2025), about $55.66 per hour.
What is that after taxes?
$115,780 gross in Illinois keeps $84,695 after federal income tax ($16,641), FICA ($8,857) and state income tax ($5,586) — $7,058 per month, a 73.2% keep-rate.
How does Illinois compare to the national median for Stationary Engineers and Boiler Operators?
The Illinois median is $37,160 above the national median of $78,620.
Stationary Engineers and Boiler Operators salary in every state · Illinois paycheck calculator · Illinois minimum wage