State comparison · 2025
First-Line Supervisors of Janitorial Workers salary: Massachusetts vs Washington
First-Line Supervisors of Janitorial Workers in Washington earn a median of $63,550. In Massachusetts, $59,760. After cost-of-living, the gap is 4.9% — not 6%.
Nominal pay gap
-6%
Massachusetts vs Washington
COL-adjusted gap
-4.9%
After BEA Regional Price Parities
Massachusetts
First-Line Supervisors of Janitorial Workers
- Median
- $59,760
- p25
- $47,730
- p75
- $68,140
- p10
- $41,040
- p90
- $79,260
- COL index (BEA RPP)100 = US average
- 105.8
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.