The median annual wage for Petroleum Engineers in Washington is $129,660 (May 2024 BLS OES). The mean (average) is $142,570.
Pay spans roughly $104,210 at the 10th percentile to $198,850 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $62.34 per hour. An estimated 170 people work as petroleum engineers in Washington.
| Median (annual) | $129,660 |
| Mean (annual) | $142,570 |
| Median (hourly) | $62.34 |
| 10th percentile | $104,210 |
| 90th percentile | $198,850 |
| Employment | 170 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.