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How many licensed plumbers are in Oklahoma?
Licensed-supply count from the Oklahoma register, by credential tier and per capita.
As of 2026-08-09, Oklahoma has 6,985 licensed plumbers
on its state register.
6,985
licensed plumbers
172.3
per 100k residents
#18
of 42 states
Oklahoma plumbers by credential tier
Apprentice4,257
Journeyman1,693
Contractor1,015
Inspector20
How Oklahoma compares
State
Licensed plumbers
Per 100k
Alabama
7,867
154.0
Connecticut
7,110
196.6
Oklahoma
6,985
172.3
New Jersey
6,931
74.6
Maryland
6,521
105.5
Oklahoma is part of 324,175 licensed plumbers nationally, and ranks #21 of 42 published states by per-capita density.
Questions
How many licensed plumbers are there in Oklahoma?
As of 2026-08-09, Oklahoma has 6,985 licensed plumbers on its state register.
How many plumbers per capita does Oklahoma have?
Oklahoma has 172.3 licensed plumbers per 100,000 residents (Census 2023 population).
Is this the same as employment estimates?
No. This is a count of active licenses on the state register, not a BLS survey estimate of employment. Licensed capacity and estimated employment are different numbers.
How often is this updated?
The register is re-pulled and re-judged nightly. Every figure carries its as-of date.
New licenses, ladder upgrades, classification changes and lapses, by market and credential tier. Read the quarterly free, or license the underlying data.