State comparison · 2025
Petroleum Engineers salary: Colorado vs Washington
Petroleum Engineers in Colorado earn a median of $172,190. In Washington, $134,800. After cost-of-living, the gap is 32.6% — not 27.7%.
Nominal pay gap
+27.7%
Colorado vs Washington
COL-adjusted gap
+32.6%
After BEA Regional Price Parities
Colorado
Petroleum Engineers
- Median
- $172,190
- p25
- $112,070
- p75
- $214,220
- p10
- $92,590
- p90
- $264,960
- COL index (BEA RPP)100 = US average
- 103.1
Washington
Petroleum Engineers
- Median
- $134,800
- p25
- $129,510
- p75
- $176,740
- p10
- $107,690
- p90
- $184,360
- COL index (BEA RPP)100 = US average
- 107.0
BLS Occupational Employment and Wage Statistics, May 2025. Cost-of-living adjustment from BEA Regional Price Parities (overall index). Hiring velocity from DOL OFLC public disclosure data, recent 180 days vs prior. See methodology.