State comparison · 2025
First-Line Supervisors of Janitorial Workers salary: Illinois vs Washington
First-Line Supervisors of Janitorial Workers in Washington earn a median of $63,550. In Illinois, $49,410. After cost-of-living, the gap is 16.8% — not 22.3%.
Nominal pay gap
-22.3%
Illinois vs Washington
COL-adjusted gap
-16.8%
After BEA Regional Price Parities
Illinois
First-Line Supervisors of Janitorial Workers
- Median
- $49,410
- p25
- $43,680
- p75
- $62,750
- p10
- $38,290
- p90
- $76,050
- COL index (BEA RPP)100 = US average
- 100.0
Washington
First-Line Supervisors of Janitorial Workers
- Median
- $63,550
- p25
- $52,410
- p75
- $75,420
- p10
- $47,000
- p90
- $82,620
- 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.