State comparison · 2025
Dental Hygienists salary: District of Columbia vs Iowa
Dental Hygienists in District of Columbia earn a median of $137,220. In Iowa, $84,010. After cost-of-living, the gap is 30.5% — not 63.3%.
Nominal pay gap
+63.3%
District of Columbia vs Iowa
COL-adjusted gap
+30.5%
After BEA Regional Price Parities
District of Columbia
Dental Hygienists
- Median
- $137,220
- p25
- $104,470
- p75
- $138,710
- p10
- $86,120
- p90
- $155,840
- COL index (BEA RPP)100 = US average
- 109.9
Iowa
Dental Hygienists
- Median
- $84,010
- p25
- $80,950
- p75
- $93,880
- p10
- $78,320
- p90
- $95,810
- 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.