State comparison · 2025
Epidemiologists salary: District of Columbia vs Iowa
Epidemiologists in District of Columbia earn a median of $112,370. In Iowa, $79,880. After cost-of-living, the gap is 12.4% — not 40.7%.
Nominal pay gap
+40.7%
District of Columbia vs Iowa
COL-adjusted gap
+12.4%
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
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
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.