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How many licensed plumbers are in Hawaii?
Licensed-supply count from the Hawaii register, by credential tier and per capita.
As of 2026-08-09, Hawaii has 3,329 licensed plumbers
on its state register, 679 of them at master level.
3,329
licensed plumbers
679
master level
232.0
per 100k residents
#29
of 42 states
Hawaii plumbers by credential tier
Journeyman2,650
Master679
How Hawaii compares
State
Licensed plumbers
Per 100k
Vermont
4,154
641.6
Arizona
3,443
46.3
Hawaii
3,329
232.0
New York
2,958
15.1
North Dakota
2,811
358.6
Hawaii is part of 324,175 licensed plumbers nationally, and ranks #14 of 42 published states by per-capita density.
Questions
How many licensed plumbers are there in Hawaii?
As of 2026-08-09, Hawaii has 3,329 licensed plumbers on its state register, including 679 at master level.
How many plumbers per capita does Hawaii have?
Hawaii has 232.0 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.