State comparison · 2025
First-Line Supervisors of Janitorial Workers salary: California vs Illinois
First-Line Supervisors of Janitorial Workers in California earn a median of $61,470. In Illinois, $49,410. After cost-of-living, the gap is 12.4% — not 24.4%.
Nominal pay gap
+24.4%
California vs Illinois
COL-adjusted gap
+12.4%
After BEA Regional Price Parities
California
First-Line Supervisors of Janitorial Workers
- Median
- $61,470
- p25
- $47,850
- p75
- $74,120
- p10
- $40,870
- p90
- $82,800
- COL index (BEA RPP)100 = US average
- 110.7
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
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.