State comparison · 2025
Mechanical Engineers salary: District of Columbia vs Oklahoma
Mechanical Engineers in District of Columbia earn a median of $133,300. In Oklahoma, $101,850. After cost-of-living, the gap is 4.6% — not 30.9%.
Nominal pay gap
+30.9%
District of Columbia vs Oklahoma
COL-adjusted gap
+4.6%
After BEA Regional Price Parities
District of Columbia
Mechanical Engineers
- Median
- $133,300
- p25
- $107,300
- p75
- $166,360
- p10
- $86,820
- p90
- $195,190
- COL index (BEA RPP)100 = US average
- 109.9
- Hiring velocity (180d)
- -40%
Oklahoma
Mechanical Engineers
- Median
- $101,850
- p25
- $82,960
- p75
- $128,320
- p10
- $70,070
- p90
- $136,110
- COL index (BEA RPP)100 = US average
- 87.8
- Hiring velocity (180d)
- -72%
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.