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How many licensed plumbers are in Minnesota?
Licensed-supply count from the Minnesota register, by credential tier and per capita.
As of 2026-08-09, Minnesota has 17,925 licensed plumbers
on its state register, 3,721 of them at master level.
17,925
licensed plumbers
3,721
master level
312.4
per 100k residents
#5
of 42 states
Minnesota plumbers by credential tier
Journeyman12,459
Master3,721
Contractor1,745
How Minnesota compares
State
Licensed plumbers
Per 100k
Iowa
18,092
564.1
Michigan
17,967
179.0
Minnesota
17,925
312.4
Maine
16,869
1208.6
Illinois
15,751
125.5
Minnesota is part of 324,175 licensed plumbers nationally, and ranks #10 of 42 published states by per-capita density.
Questions
How many licensed plumbers are there in Minnesota?
As of 2026-08-09, Minnesota has 17,925 licensed plumbers on its state register, including 3,721 at master level.
How many plumbers per capita does Minnesota have?
Minnesota has 312.4 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.