Presidential elections · 2000–2024
St. Clair County, MI — Presidential Election Results (2000–2024)
In 2024, St. Clair County, Michigan voted for Donald J. Trump (Republican) by R+34.6 — 30,844 Democratic to 64,277 Republican of 96,524 votes cast. From 2020 to 2024 it shifted 4.4 points toward Republicans. That makes it 33.2 points more Republican than Michigan overall (R+1.4).
Data: MIT Election Data & Science Lab, Harvard Dataverse.
Margin by election, 2000–2024
Democratic minus Republican, in points of all votes cast — blue bars Democratic, red Republican.
Every election in St. Clair County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 30,844 | 64,277 | 1,403 | 32.0% | 66.6% | R+34.6 |
| 2020 | 31,363 | 59,185 | 1,516 | 34.1% | 64.3% | R+30.2 |
| 2016 | 24,553 | 49,051 | 4,399 | 31.5% | 62.9% | R+31.4 |
| 2012 | 33,983 | 39,271 | 927 | 45.8% | 52.9% | R+7.1 |
| 2008 | 40,677 | 38,536 | 1,687 | 50.3% | 47.6% | D+2.6 |
| 2004 | 36,174 | 42,740 | 829 | 45.4% | 53.6% | R+8.2 |
| 2000 | 33,002 | 33,571 | 1,943 | 48.2% | 49.0% | R+0.8 |
St. Clair County presidential elections — FAQ
Who carried St. Clair County in the 2024 presidential election?+
Donald J. Trump (Republican) carried St. Clair County, Michigan in 2024 by R+34.6, with 96,524 votes cast. Data: MIT Election Data & Science Lab.
How did St. Clair County shift between 2020 and 2024?+
St. Clair County shifted 4.4 points toward Republicans between 2020 (R+30.2) and 2024 (R+34.6).
Is St. Clair County more Democratic or Republican than Michigan overall?+
In 2024, St. Clair County went R+34.6 while Michigan overall went R+1.4 — 33.2 points more Republican than the state.
Where does this election data come from?+
County-level presidential returns (2000–2024) come from the MIT Election Data and Science Lab (MEDSL), published on the Harvard Dataverse. pumsdata is an independent product that makes the data easy to map and compare, and is not affiliated with MEDSL or Harvard.