Registered sheet metal worker apprentices by county, open recruitment windows where the state publishes them, and how the apprentice tier fits Illinois's licence ladder. Updated nightly.
Illinois has 621 registered sheet metal worker apprentices in active status (fiscal year 2025, DOL RAPIDS), placed in 69 counties, 0.5 per 10,000 residents. That is 19.5 apprentices for every 100 employed sheet metal workers in the state, the rate at which the trade is training its own replacements.
A free report on your market: what the trade pays, how that compares with nearby counties, and where your credential sits against the local licensed workforce. No account needed.
Registered sheet metal worker apprentices by county of the apprentice, largest first. Each county links to its sheet metal workers market page.
| County | Apprentices | Share | Per 10k residents |
|---|---|---|---|
| Cook County | 109 | 18% | 0.2 |
| Will County | 51 | 8% | 0.7 |
| Winnebago County | 43 | 7% | 1.5 |
| Rock Island County | 42 | 7% | 3.0 |
| Madison County | 31 | 5% | 1.2 |
| DuPage County | 26 | 4% | 0.3 |
| Sangamon County | 24 | 4% | 1.2 |
| DeKalb County | 22 | 4% | 2.2 |
| McHenry County | 20 | 3% | 0.6 |
| St. Clair County | 19 | 3% | 0.8 |
| Kane County | 18 | 3% | 0.3 |
| Stephenson County | 17 | 3% | 3.9 |
| Peoria County | 15 | 2% | 0.8 |
| Tazewell County | 12 | 2% | 0.9 |
| Macon County | 11 | 2% | 1.1 |
| 54 other counties | 161 | 26% |
Source: DOL RAPIDS apprenticeship FY2025, active status, county-coded; as of December 31, 2025.
Credential types the No dedicated Illinois sheet metal worker licence. Illinois does not license the mechanical trades at state level; requirements are local. issues for this trade: Local mechanical registration or permit where required, Registered apprenticeship (USDOL or joint apprenticeship committee). See how to get a sheet metal worker license in Illinois 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); population: U.S. Census 2023 estimates.
This page is a free snapshot of sheet metal workers in Illinois. Track the same market every night and see which contractors just got licensed, added a trade, or dropped off, and pull the full record, with contact details, on any of them. Ask it anything, track what matters, and get the weekly intelligence email. Free trial, cancel anytime.