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State comparison · 2025

Epidemiologists salary: California vs Massachusetts

Occupation

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%
See full breakdown for California

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%
See full breakdown for Massachusetts

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.