State comparison · 2025
Plumbers, Pipefitters, and Steamfitters salary: Delaware vs Illinois
Plumbers, Pipefitters, and Steamfitters in Illinois earn a median of $99,950. In Delaware, $64,720. After cost-of-living, the gap is 35.1% — not 35.2%.
Nominal pay gap
-35.2%
Delaware vs Illinois
COL-adjusted gap
-35.1%
After BEA Regional Price Parities
Delaware
Plumbers, Pipefitters, and Steamfitters
- Median
- $64,720
- p25
- $51,860
- p75
- $77,830
- p10
- $40,990
- p90
- $95,520
- COL index (BEA RPP)100 = US average
- 99.8
Illinois
Plumbers, Pipefitters, and Steamfitters
- Median
- $99,950
- p25
- $72,070
- p75
- $120,050
- p10
- $50,250
- p90
- $126,430
- 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.