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How many licensed plumbers are in Ohio?
Licensed-supply count from the Ohio register, by credential tier and per capita.
As of 2026-08-09, Ohio has 2,751 licensed plumbers
on its state register.
2,751
licensed plumbers
23.3
per 100k residents
#32
of 42 states
Ohio plumbers by credential tier
Contractor2,751
How Ohio compares
State
Licensed plumbers
Per 100k
New York
2,958
15.1
North Dakota
2,811
358.6
Ohio
2,751
23.3
Washington
2,726
34.9
South Dakota
2,677
291.2
Ohio is part of 324,175 licensed plumbers nationally, and ranks #38 of 42 published states by per-capita density.
Questions
How many licensed plumbers are there in Ohio?
As of 2026-08-09, Ohio has 2,751 licensed plumbers on its state register.
How many plumbers per capita does Ohio have?
Ohio has 23.3 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.