This page is a free snapshot. Track the same market as it changes, every night: new licenses, contractors adding a trade, and companies going dark.Start tracking
How many licensed plumbers are in Michigan?
Licensed-supply count from the Michigan register, by credential tier and per capita.
As of 2026-08-09, Michigan has 17,967 licensed plumbers
on its state register, 3,514 of them at master level.
17,967
licensed plumbers
3,514
master level
179.0
per 100k residents
#4
of 42 states
Michigan plumbers by credential tier
Apprentice5,918
Journeyman4,737
Master3,514
Contractor3,798
How Michigan compares
State
Licensed plumbers
Per 100k
Colorado
21,082
358.7
Iowa
18,092
564.1
Michigan
17,967
179.0
Minnesota
17,925
312.4
Maine
16,869
1208.6
Michigan is part of 324,175 licensed plumbers nationally, and ranks #18 of 42 published states by per-capita density.
Questions
How many licensed plumbers are there in Michigan?
As of 2026-08-09, Michigan has 17,967 licensed plumbers on its state register, including 3,514 at master level.
How many plumbers per capita does Michigan have?
Michigan has 179.0 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.