The median annual wage for Plant and System Operators, All Other in Illinois is $61,710 (May 2024 BLS OES). The mean (average) is $61,420.
Pay spans roughly $47,000 at the 10th percentile to $79,560 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $29.67 per hour. An estimated 210 people work as plant and system operators, all other in Illinois.
| Median (annual) | $61,710 |
| Mean (annual) | $61,420 |
| Median (hourly) | $29.67 |
| 10th percentile | $47,000 |
| 90th percentile | $79,560 |
| Employment | 210 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.