The median annual wage for Stationary Engineers and Boiler Operators in Louisville/Jefferson County, KY-IN is $77,310 (May 2024 BLS OES). The mean (average) is $72,130.
Pay spans roughly $42,580 at the 10th percentile to $83,610 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $37.17 per hour. An estimated 50 people work as stationary engineers and boiler operators in Louisville/Jefferson County, KY-IN.
| Median (annual) | $77,310 |
| Mean (annual) | $72,130 |
| Median (hourly) | $37.17 |
| 10th percentile | $42,580 |
| 90th percentile | $83,610 |
| Employment | 50 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.