Everyone quotes the shortage. Here is the count Colorado actually has, by skill level and per resident, updated every night.
As of October 6, 2026, Colorado carries 21,560 licensed plumbers on its state register, or 366.8 per 100,000 residents.
The apprentice-to-journeyman pipeline behind them runs at 3.34 in Colorado, against 0.555 nationally, a read on whether the plumbers supply is being replenished.
Every plumber license on the Colorado register, normalized to one ladder.
| Tier | Licensed | Share |
|---|---|---|
| Apprentice | 9,792 | 45% |
| Intermediate | 570 | 3% |
| Journeyman | 2,936 | 14% |
| Master | 4,946 | 23% |
| Contractor / business | 3,316 | 15% |
States nearest Colorado on licensed plumbers per capita.
| State | Licensed plumbers | Per 100k |
|---|---|---|
| Colorado | 21,560 | 366.8 |
| Vermont | 4,178 | 645.3 |
| Idaho | 11,610 | 590.9 |
| North Dakota | 2,893 | 369.0 |
| Massachusetts | 25,314 | 361.6 |
| New Hampshire | 4,979 | 355.1 |
| West Virginia | 5,612 | 317.0 |
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