Voter file loaded July 30, 2026 · figures are from that file, held as a fixed record
St. Clair County, Michigan has 138,498 active registered voters across 62 precincts, as of August 2026.
Party registration
Michigan doesn't register voters by party, so there's no party breakdown to show. Party lean is usually inferred from primary participation; that data is in the voter file and available inside Motion51.
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | CLAY TOWNSHIP P4 | 947 | 659 | 69.59% |
| 2 | COLUMBUS TOWNSHIP P1 | 2,026 | 1,153 | 56.91% |
| 3 | CASCO TOWNSHIP P2 | 1,678 | 952 | 56.73% |
| 4 | CHINA TOWNSHIP P1 | 1,752 | 990 | 56.51% |
| 5 | RILEY TOWNSHIP P1 | 2,817 | 1,578 | 56.02% |
| 6 | EAST CHINA TOWNSHIP P1 | 3,232 | 1,808 | 55.94% |
| 7 | ST CLAIR TOWNSHIP P1 | 3,359 | 1,878 | 55.91% |
| 8 | IRA TOWNSHIP P2 | 2,096 | 1,159 | 55.3% |
| 9 | BERLIN TOWNSHIP P1 | 2,654 | 1,464 | 55.16% |
| 10 | ST CLAIR CITY P1 | 1,487 | 820 | 55.14% |
Supervoters are active registered voters who cast a ballot in at least 3 of the last 4 November general elections (2018–2024). Percentages are precinct totals from the official state voter file — no individual voter information is shown. Precincts with fewer than 400 active voters are excluded.
How St. Clair County voted for president
Election results are public records.
Running in St. Clair County?
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