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Plumber shortage in Delaware: the licensed-supply numbers
What the Delaware register actually shows, by tier and per capita, updated nightly.
As of 2026-08-09, Delaware carries 925 licensed plumbers
on its state register, or 89.6 per 100,000 residents.
925
licensed plumbers
89.6
per 100k residents
#29
density rank of 42
Against comparable states
States nearest Delaware on licensed plumbers per capita.
State
Licensed plumbers
Per 100k
Delaware
925
89.6
Kentucky
6,298
139.1
Illinois
15,751
125.5
Maryland
6,521
105.5
New Jersey
6,931
74.6
Virginia
5,618
64.5
Nebraska
1,087
54.9
Counts, not a capacity opinion. We publish the licensed supply and the pipeline
ratio; whether a market can absorb a given project is a judgement for the reader, not a claim we make.
Frequently asked
Is there a plumbers shortage in Delaware?
Reporting on the shortage rarely states how many are actually licensed. Delaware carries 925 licensed plumbers on its register as of 2026-08-09, or 89.6 per 100,000 residents. Readers can weigh that supply against demand directly.
How many licensed plumbers does Delaware have?
925 on the state register as of 2026-08-09, including 925 at master level.
Where does the shortage narrative come from?
Industry analyses project national shortfalls of hundreds of thousands of skilled-trades workers against data-center and electrification demand. Those are demand-side estimates; the figure here is the licensed supply on the register today.
New licenses, ladder upgrades, classification changes and lapses, by market and credential tier. Read the quarterly free, or license the underlying data.