State comparison · 2025
Dental Hygienists salary: District of Columbia vs South Dakota
Dental Hygienists in District of Columbia earn a median of $137,220. In South Dakota, $92,210. After cost-of-living, the gap is 20% — not 48.8%.
Nominal pay gap
+48.8%
District of Columbia vs South Dakota
COL-adjusted gap
+20%
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
South Dakota
Dental Hygienists
- Median
- $92,210
- p25
- $83,230
- p75
- $96,230
- p10
- $73,480
- p90
- $98,290
- COL index (BEA RPP)100 = US average
- 88.6
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.