RateOrchard
State comparison · 2025

Plumbers, Pipefitters, and Steamfitters salary: Delaware vs District of Columbia

Occupation

Plumbers, Pipefitters, and Steamfitters in District of Columbia earn a median of $101,020. In Delaware, $64,720. After cost-of-living, the gap is 29.4% — not 35.9%.

Nominal pay gap
-35.9%
Delaware vs District of Columbia
COL-adjusted gap
-29.4%
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
See full breakdown for Delaware

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
See full breakdown for District of Columbia

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.