Registered electrician apprentices by county, open recruitment windows where the state publishes them, and how the apprentice tier fits Colorado's licence ladder. Updated nightly.
Colorado has 3,403 registered electrician apprentices in active status (fiscal year 2025, DOL RAPIDS), placed in 53 counties, 5.8 per 10,000 residents. That is 17.6 apprentices for every 100 employed electricians in the state, the rate at which the trade is training its own replacements.
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Registered electrician apprentices by county of the apprentice, largest first. Each county links to its electricians market page.
| County | Apprentices | Share | Per 10k residents |
|---|---|---|---|
| Adams County | 505 | 15% | 9.5 |
| Arapahoe County | 454 | 13% | 6.9 |
| Jefferson County | 443 | 13% | 7.7 |
| Denver County | 400 | 12% | 5.6 |
| El Paso County | 382 | 11% | 5.1 |
| Weld County | 248 | 7% | 6.9 |
| Larimer County | 215 | 6% | 5.8 |
| Douglas County | 210 | 6% | 5.5 |
| Boulder County | 106 | 3% | 3.2 |
| Pueblo County | 106 | 3% | 6.3 |
| Broomfield County | 61 | 2% | 7.9 |
| Mesa County | 57 | 2% | 3.6 |
| Montrose County | 35 | 1% | 7.9 |
| Morgan County | 21 | 1% | 7.1 |
| Garfield County | 18 | 1% | 2.9 |
| 38 other counties | 142 | 4% |
Source: DOL RAPIDS apprenticeship FY2025, active status, county-coded; as of December 31, 2025.
Colorado records apprentices on its own electrician licence register as Electrical Apprentice: 15,383 active apprentice-tier records against 12,524 journeyman records, a ratio of 1.23 apprentice records per journeyman, register read September 16, 2026. The register's apprentice tier and the federal registered-apprenticeship count in the county table are two different systems: a licence-register apprentice is anyone the state has credentialed to work under supervision, a registered apprentice is enrolled in a DOL-registered program.
Counts are license records, not people: a holder with more than one license appears once per license, and a contractor license is a business, not a worker.
Credential types the Colorado Department of Regulatory Agencies (DORA), State Electrical Board (Division of Professions and Occupations) issues for this trade: Residential Wireman, Journeyman Electrician, Master Electrician, Electrical Contractor. See how to get an electrician license in Colorado for hours, exams and renewal.
Sources: registered apprentices: DOL RAPIDS apprenticeship FY2025, active status, as of December 31, 2025; employment: BLS QCEW construction x OEWS occupation share (estimate); licence tiers: Colorado register read September 16, 2026; population: U.S. Census 2023 estimates.
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