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How many licensed plumbers are in Wisconsin?
Licensed-supply count from the Wisconsin register, by credential tier and per capita.
As of 2026-08-09, Wisconsin has 10,198 licensed plumbers
on its state register, 3,503 of them at master level.
10,198
licensed plumbers
3,503
master level
172.5
per 100k residents
#11
of 42 states
Wisconsin plumbers by credential tier
Apprentice1,938
Journeyman4,075
Master3,503
Inspector682
How Wisconsin compares
State
Licensed plumbers
Per 100k
Indiana
12,526
182.5
Idaho
11,107
565.3
Wisconsin
10,198
172.5
Florida
8,973
39.7
Arkansas
8,846
288.4
Wisconsin is part of 324,175 licensed plumbers nationally, and ranks #20 of 42 published states by per-capita density.
Questions
How many licensed plumbers are there in Wisconsin?
As of 2026-08-09, Wisconsin has 10,198 licensed plumbers on its state register, including 3,503 at master level.
How many plumbers per capita does Wisconsin have?
Wisconsin has 172.5 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.