State comparison · 2025
Environmental Scientists and Specialists salary: District of Columbia vs Iowa
Environmental Scientists and Specialists in District of Columbia earn a median of $132,620. In Iowa, $78,780. After cost-of-living, the gap is 34.5% — not 68.3%.
Nominal pay gap
+68.3%
District of Columbia vs Iowa
COL-adjusted gap
+34.5%
After BEA Regional Price Parities
District of Columbia
Environmental Scientists and Specialists
- Median
- $132,620
- p25
- $98,410
- p75
- $161,470
- p10
- $78,270
- p90
- $185,220
- COL index (BEA RPP)100 = US average
- 109.9
- Hiring velocity (180d)
- -67%
Iowa
Environmental Scientists and Specialists
- Median
- $78,780
- p25
- $62,080
- p75
- $91,070
- p10
- $54,340
- p90
- $117,040
- COL index (BEA RPP)100 = US average
- 87.8
- Hiring velocity (180d)
- +100%
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.