State comparison · 2025
Epidemiologists salary: District of Columbia vs Massachusetts
Epidemiologists in Massachusetts earn a median of $115,890. In District of Columbia, $112,370. After cost-of-living, the gap is 6.7% — not 3%.
Nominal pay gap
-3%
District of Columbia vs Massachusetts
COL-adjusted gap
-6.7%
After BEA Regional Price Parities
District of Columbia
Epidemiologists
- Median
- $112,370
- p25
- $92,660
- p75
- $130,130
- p10
- $63,580
- p90
- $168,970
- COL index (BEA RPP)100 = US average
- 109.9
Massachusetts
Epidemiologists
- Median
- $115,890
- p25
- $93,870
- p75
- $154,840
- p10
- $81,380
- p90
- $212,890
- COL index (BEA RPP)100 = US average
- 105.8
- Hiring velocity (180d)
- -13%
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.