State comparison · 2025
Epidemiologists salary: Iowa vs Massachusetts
Epidemiologists in Massachusetts earn a median of $115,890. In Iowa, $79,880. After cost-of-living, the gap is 16.9% — not 31.1%.
Nominal pay gap
-31.1%
Iowa vs Massachusetts
COL-adjusted gap
-16.9%
After BEA Regional Price Parities
Iowa
Epidemiologists
- Median
- $79,880
- p25
- $60,150
- p75
- $87,160
- p10
- $48,080
- p90
- $108,210
- COL index (BEA RPP)100 = US average
- 87.8
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.