The median annual wage for Chemical Plant and System Operators in Missouri is $50,700 (May 2024 BLS OES). The mean (average) is $58,740.
Pay spans roughly $47,170 at the 10th percentile to $86,310 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $24.37 per hour. An estimated 370 people work as chemical plant and system operators in Missouri.
| Median (annual) | $50,700 |
| Mean (annual) | $58,740 |
| Median (hourly) | $24.37 |
| 10th percentile | $47,170 |
| 90th percentile | $86,310 |
| Employment | 370 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.