State comparison · 2025
Dental Hygienists salary: Illinois vs Washington
Dental Hygienists in Washington earn a median of $131,160. In Illinois, $96,670. After cost-of-living, the gap is 21.1% — not 26.3%.
Nominal pay gap
-26.3%
Illinois vs Washington
COL-adjusted gap
-21.1%
After BEA Regional Price Parities
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
Washington
Dental Hygienists
- Median
- $131,160
- p25
- $122,000
- p75
- $134,670
- p10
- $107,090
- p90
- $162,050
- COL index (BEA RPP)100 = US average
- 107.0
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.