Presidential elections · 2000–2024
San Joaquin County, CA — Presidential Election Results (2000–2024)
In 2024, San Joaquin County, California voted for Donald J. Trump (Republican) by R+0.9 — 126,647 Democratic to 128,996 Republican of 263,671 votes cast. From 2020 to 2024 it shifted 14.8 points toward Republicans. That makes it 21.0 points more Republican than California overall (D+20.1).
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 San Joaquin County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 126,647 | 128,996 | 8,028 | 48.0% | 48.9% | R+0.9 |
| 2020 | 161,137 | 121,098 | 6,257 | 55.9% | 42.0% | D+13.9 |
| 2016 | 121,124 | 88,936 | 14,106 | 54.0% | 39.7% | D+14.4 |
| 2012 | 114,121 | 86,071 | 4,505 | 55.8% | 42.0% | D+13.7 |
| 2008 | 113,974 | 91,607 | 3,768 | 54.4% | 43.8% | D+10.7 |
| 2004 | 87,012 | 100,978 | 1,515 | 45.9% | 53.3% | R+7.4 |
| 2000 | 79,776 | 81,773 | 5,690 | 47.7% | 48.9% | R+1.2 |
San Joaquin County presidential elections — FAQ
Who carried San Joaquin County in the 2024 presidential election?+
Donald J. Trump (Republican) carried San Joaquin County, California in 2024 by R+0.9, with 263,671 votes cast. Data: MIT Election Data & Science Lab.
How did San Joaquin County shift between 2020 and 2024?+
San Joaquin County shifted 14.8 points toward Republicans between 2020 (D+13.9) and 2024 (R+0.9).
Is San Joaquin County more Democratic or Republican than California overall?+
In 2024, San Joaquin County went R+0.9 while California overall went D+20.1 — 21.0 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.