State comparison · 2025
Mechanical Engineers salary: District of Columbia vs South Carolina
Mechanical Engineers in District of Columbia earn a median of $133,300. In South Carolina, $104,580. After cost-of-living, the gap is 8.7% — not 27.5%.
Nominal pay gap
+27.5%
District of Columbia vs South Carolina
COL-adjusted gap
+8.7%
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%
South Carolina
Mechanical Engineers
- Median
- $104,580
- p25
- $84,810
- p75
- $133,480
- p10
- $74,260
- p90
- $166,340
- COL index (BEA RPP)100 = US average
- 93.7
- Hiring velocity (180d)
- -67%
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.