State comparison · 2025
Mechanical Engineers salary: District of Columbia vs Pennsylvania
Mechanical Engineers in District of Columbia earn a median of $133,300. In Pennsylvania, $97,920. After cost-of-living, the gap is 20.9% — not 36.1%.
Nominal pay gap
+36.1%
District of Columbia vs Pennsylvania
COL-adjusted gap
+20.9%
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%
Pennsylvania
Mechanical Engineers
- Median
- $97,920
- p25
- $79,090
- p75
- $125,270
- p10
- $65,770
- p90
- $150,950
- COL index (BEA RPP)100 = US average
- 97.6
- Hiring velocity (180d)
- -51%
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.