State comparison · 2025
Epidemiologists salary: Massachusetts vs Washington
Epidemiologists in Massachusetts earn a median of $115,890. In Washington, $108,240. After cost-of-living, the gap is 8.3% — not 7.1%.
Nominal pay gap
+7.1%
Massachusetts vs Washington
COL-adjusted gap
+8.3%
After BEA Regional Price Parities
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%
Washington
Epidemiologists
- Median
- $108,240
- p25
- $96,760
- p75
- $130,970
- p10
- $82,980
- p90
- $159,730
- COL index (BEA RPP)100 = US average
- 107.0
- Hiring velocity (180d)
- 0%
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.