State comparison · 2025
Plumbers, Pipefitters, and Steamfitters salary: Illinois vs Washington
Plumbers, Pipefitters, and Steamfitters in Illinois earn a median of $99,950. In Washington, $81,030. After cost-of-living, the gap is 32% — not 23.3%.
Nominal pay gap
+23.3%
Illinois vs Washington
COL-adjusted gap
+32%
After BEA Regional Price Parities
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
Washington
Plumbers, Pipefitters, and Steamfitters
- Median
- $81,030
- p25
- $60,030
- p75
- $107,420
- p10
- $49,490
- p90
- $141,860
- 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.