The median annual wage for Stationary Engineers and Boiler Operators in Missouri is $63,560 (May 2024 BLS OES). The mean (average) is $66,220.
Pay spans roughly $47,180 at the 10th percentile to $85,960 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $30.56 per hour. An estimated 400 people work as stationary engineers and boiler operators in Missouri.
| Median (annual) | $63,560 |
| Mean (annual) | $66,220 |
| Median (hourly) | $30.56 |
| 10th percentile | $47,180 |
| 90th percentile | $85,960 |
| Employment | 400 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.