State comparison · 2025
Plumbers, Pipefitters, and Steamfitters salary: District of Columbia vs Illinois
Plumbers, Pipefitters, and Steamfitters in District of Columbia earn a median of $101,020. In Illinois, $99,950. After cost-of-living, the gap is 8% — not 1.1%.
Nominal pay gap
+1.1%
District of Columbia vs Illinois
COL-adjusted gap
-8%
After BEA Regional Price Parities
District of Columbia
Plumbers, Pipefitters, and Steamfitters
- Median
- $101,020
- p25
- $74,630
- p75
- $114,400
- p10
- $52,310
- p90
- $117,180
- COL index (BEA RPP)100 = US average
- 109.9
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.