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Plumber shortage in Oklahoma: the licensed-supply numbers

What the Oklahoma register actually shows, by tier and per capita, updated nightly.

As of 2026-08-09, Oklahoma carries 6,985 licensed plumbers on its state register, or 172.3 per 100,000 residents.

6,985
licensed plumbers
172.3
per 100k residents
#21
density rank of 42
2.51
apprentice : journeyman

The apprentice-to-journeyman pipeline behind them runs at 2.51 in Oklahoma, against 0.492 nationally, a read on whether the plumbers supply is being replenished.

By credential tier

Every plumber license on the Oklahoma register, normalized to one ladder.

TierLicensedShare
Apprentice4,25761%
Journeyman1,69324%
Contractor / business1,01515%
Inspector200%

Against comparable states

States nearest Oklahoma on licensed plumbers per capita.

StateLicensed plumbersPer 100k
Oklahoma6,985172.3
Michigan17,967179.0
Rhode Island1,901173.5
Wisconsin10,198172.5
Montana1,900167.7
Utah5,722167.4
Alabama7,867154.0
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 Oklahoma?
Reporting on the shortage rarely states how many are actually licensed. Oklahoma carries 6,985 licensed plumbers on its register as of 2026-08-09, or 172.3 per 100,000 residents. Readers can weigh that supply against demand directly.
How many licensed plumbers does Oklahoma have?
6,985 on the state register as of 2026-08-09.
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.

Related

Count
How many plumbers in Oklahoma
Market
Oklahoma licensed trades supply
Corridor
Electricians and the data-center buildout
Track Oklahoma licensed supply as it moves.

New licenses, ladder upgrades, classification changes and lapses, by market and credential tier. Read the quarterly free, or license the underlying data.

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