State comparison · 2025
Dental Hygienists salary: District of Columbia vs Illinois
Dental Hygienists in District of Columbia earn a median of $137,220. In Illinois, $96,670. After cost-of-living, the gap is 29.2% — not 41.9%.
Nominal pay gap
+41.9%
District of Columbia vs Illinois
COL-adjusted gap
+29.2%
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
Illinois
Dental Hygienists
- Median
- $96,670
- p25
- $79,400
- p75
- $101,800
- p10
- $74,280
- p90
- $118,410
- COL index (BEA RPP)100 = US average
- 100.0
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.