State comparison · 2025
First-Line Supervisors of Construction Trades salary: District of Columbia vs Illinois
First-Line Supervisors of Construction Trades in Illinois earn a median of $105,750. In District of Columbia, $86,520. After cost-of-living, the gap is 25.6% — not 18.2%.
Nominal pay gap
-18.2%
District of Columbia vs Illinois
COL-adjusted gap
-25.6%
After BEA Regional Price Parities
District of Columbia
First-Line Supervisors of Construction Trades
- Median
- $86,520
- p25
- $75,920
- p75
- $108,320
- p10
- $64,310
- p90
- $127,920
- COL index (BEA RPP)100 = US average
- 109.9
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
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.