State comparison · 2025
First-Line Supervisors of Construction Trades salary: Illinois vs Washington
First-Line Supervisors of Construction Trades in Washington earn a median of $109,570. In Illinois, $105,750. After cost-of-living, the gap is 3.3% — not 3.5%.
Nominal pay gap
-3.5%
Illinois vs Washington
COL-adjusted gap
+3.3%
After BEA Regional Price Parities
Illinois
First-Line Supervisors of Construction Trades
- Median
- $105,750
- p25
- $82,550
- p75
- $124,460
- p10
- $62,500
- p90
- $132,590
- COL index (BEA RPP)100 = US average
- 100.0
Washington
First-Line Supervisors of Construction Trades
- Median
- $109,570
- p25
- $85,790
- p75
- $137,920
- p10
- $73,410
- p90
- $167,120
- 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.