State comparison · 2025
Epidemiologists salary: California vs Massachusetts
Epidemiologists in Massachusetts earn a median of $115,890. In California, $110,760. After cost-of-living, the gap is 8.7% — not 4.4%.
Nominal pay gap
-4.4%
California vs Massachusetts
COL-adjusted gap
-8.7%
After BEA Regional Price Parities
California
Epidemiologists
- Median
- $110,760
- p25
- $86,310
- p75
- $133,970
- p10
- $71,910
- p90
- $168,220
- COL index (BEA RPP)100 = US average
- 110.7
- Hiring velocity (180d)
- -58%
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.