State comparison · 2025
First-Line Supervisors of Construction Trades salary: Connecticut vs Illinois
First-Line Supervisors of Construction Trades in Illinois earn a median of $105,750. In Connecticut, $92,260. After cost-of-living, the gap is 15.8% — not 12.8%.
Nominal pay gap
-12.8%
Connecticut vs Illinois
COL-adjusted gap
-15.8%
After BEA Regional Price Parities
Connecticut
First-Line Supervisors of Construction Trades
- Median
- $92,260
- p25
- $77,960
- p75
- $103,740
- p10
- $63,660
- p90
- $123,790
- COL index (BEA RPP)100 = US average
- 103.6
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.