Registered plumber apprentices by county, open recruitment windows where the state publishes them, and how the apprentice tier fits South Dakota's licence ladder. Updated nightly.
South Dakota has 161 registered plumber apprentices in active status (fiscal year 2025, DOL RAPIDS), placed in 20 counties, 1.8 per 10,000 residents. That is 10.8 apprentices for every 100 employed plumbers in the state, the rate at which the trade is training its own replacements.
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Registered plumber apprentices by county of the apprentice, largest first. Each county links to its plumbers market page.
| County | Apprentices | Share | Per 10k residents |
|---|---|---|---|
| Minnehaha County | 59 | 37% | 2.9 |
| Pennington County | 38 | 24% | 3.3 |
| Lincoln County | 18 | 11% | 2.5 |
| Union County | 7 | 4% | 4.1 |
| Butte County | 5 | 3% | 4.6 |
| Lawrence County | 5 | 3% | 1.8 |
| Davison County | 4 | 2% | 2.0 |
| Hughes County | 4 | 2% | 2.3 |
| Brookings County | 3 | 2% | 0.8 |
| Brown County | 3 | 2% | 0.8 |
| Codington County | 3 | 2% | 1.0 |
| Yankton County | 3 | 2% | 1.3 |
| Meade County | 2 | 1% | 0.6 |
| Beadle County | 1 | 1% | 0.5 |
| Campbell County | 1 | 1% | 7.5 |
| 5 other counties | 5 | 3% |
Source: DOL RAPIDS apprenticeship FY2025, active status, county-coded; as of December 31, 2025.
South Dakota records apprentices on its own plumber licence register as APPRENTICE PLUMBER 4TH+: 1,097 active apprentice-tier records against 916 journeyman records, a ratio of 1.2 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 South Dakota Plumbing Commission, Department of Labor and Regulation issues for this trade: Apprentice Plumber, Journeyman Plumber, Plumbing Contractor, Sewer and water installer. See how to get a plumber license in South Dakota 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: South Dakota register read September 16, 2026; population: U.S. Census 2023 estimates.
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