State comparison · 2025
Plumbers, Pipefitters, and Steamfitters salary: Illinois vs Montana
Plumbers, Pipefitters, and Steamfitters in Illinois earn a median of $99,950. In Montana, $79,960. After cost-of-living, the gap is 18.2% — not 25%.
Nominal pay gap
+25%
Illinois vs Montana
COL-adjusted gap
+18.2%
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
Montana
Plumbers, Pipefitters, and Steamfitters
- Median
- $79,960
- p25
- $60,990
- p75
- $94,370
- p10
- $48,250
- p90
- $100,860
- COL index (BEA RPP)100 = US average
- 94.6
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.