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State comparison · 2025

Plumbers, Pipefitters, and Steamfitters salary: Connecticut vs Illinois

Occupation

Plumbers, Pipefitters, and Steamfitters in Illinois earn a median of $99,950. In Connecticut, $77,280. After cost-of-living, the gap is 25.4% — not 22.7%.

Nominal pay gap
-22.7%
Connecticut vs Illinois
COL-adjusted gap
-25.4%
After BEA Regional Price Parities

Connecticut

Plumbers, Pipefitters, and Steamfitters

Median
$77,280
p25
$57,570
p75
$94,440
p10
$45,670
p90
$102,990
COL index (BEA RPP)100 = US average
103.6
See full breakdown for Connecticut

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
See full breakdown for Illinois

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.