The median annual wage for Petroleum Engineers in California is $147,780 (May 2024 BLS OES). The mean (average) is $146,850.
Pay spans roughly $78,510 at the 10th percentile to $219,170 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $71.05 per hour. An estimated 1,190 people work as petroleum engineers in California.
| Median (annual) | $147,780 |
| Mean (annual) | $146,850 |
| Median (hourly) | $71.05 |
| 10th percentile | $78,510 |
| 90th percentile | $219,170 |
| Employment | 1,190 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.