State comparison · 2025
Mechanical Engineers salary: District of Columbia vs Montana
Mechanical Engineers in District of Columbia earn a median of $133,300. In Montana, $94,190. After cost-of-living, the gap is 21.8% — not 41.5%.
Nominal pay gap
+41.5%
District of Columbia vs Montana
COL-adjusted gap
+21.8%
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%
Montana
Mechanical Engineers
- Median
- $94,190
- p25
- $79,240
- p75
- $119,820
- p10
- $65,820
- p90
- $133,270
- COL index (BEA RPP)100 = US average
- 94.6
- Hiring velocity (180d)
- -25%
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.