State comparison · 2025
Petroleum Engineers salary: Colorado vs Oklahoma
Petroleum Engineers in Colorado earn a median of $172,190. In Oklahoma, $153,020. After cost-of-living, the gap is 4.2% — not 12.5%.
Nominal pay gap
+12.5%
Colorado vs Oklahoma
COL-adjusted gap
-4.2%
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
Oklahoma
Petroleum Engineers
- Median
- $153,020
- p25
- $124,460
- p75
- $178,470
- p10
- $86,990
- p90
- $221,320
- COL index (BEA RPP)100 = US average
- 87.8
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.