The median annual wage for Materials Engineers in St. Louis, MO-IL is $100,480 (May 2024 BLS OES). The mean (average) is $111,540.
Pay spans roughly $64,100 at the 10th percentile to $163,720 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $48.31 per hour. An estimated 150 people work as materials engineers in St. Louis, MO-IL.
| Median (annual) | $100,480 |
| Mean (annual) | $111,540 |
| Median (hourly) | $48.31 |
| 10th percentile | $64,100 |
| 90th percentile | $163,720 |
| Employment | 150 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.