State comparison · 2025
First-Line Supervisors of Construction Trades salary: Illinois vs South Carolina
First-Line Supervisors of Construction Trades in Illinois earn a median of $105,750. In South Carolina, $75,350. After cost-of-living, the gap is 31.5% — not 40.3%.
Nominal pay gap
+40.3%
Illinois vs South Carolina
COL-adjusted gap
+31.5%
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
South Carolina
First-Line Supervisors of Construction Trades
- Median
- $75,350
- p25
- $60,790
- p75
- $91,320
- p10
- $52,220
- p90
- $105,840
- COL index (BEA RPP)100 = US average
- 93.7
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.