Presidential elections · 2000–2024
Santa Clara County, CA — Presidential Election Results (2000–2024)
In 2024, Santa Clara County, California voted for Kamala D. Harris (Democratic) by D+40.0 — 510,744 Democratic to 210,924 Republican of 750,433 votes cast. From 2020 to 2024 it shifted 7.4 points toward Republicans. That makes it 19.9 points more Democratic 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 Santa Clara County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 510,744 | 210,924 | 28,765 | 68.1% | 28.1% | D+40.0 |
| 2020 | 617,967 | 214,612 | 18,162 | 72.6% | 25.2% | D+47.4 |
| 2016 | 511,684 | 144,826 | 47,199 | 72.7% | 20.6% | D+52.1 |
| 2012 | 450,818 | 174,843 | 17,430 | 70.1% | 27.2% | D+42.9 |
| 2008 | 462,241 | 190,039 | 13,309 | 69.4% | 28.6% | D+40.9 |
| 2004 | 386,100 | 209,094 | 7,420 | 64.1% | 34.7% | D+29.4 |
| 2000 | 332,490 | 188,750 | 26,889 | 60.7% | 34.4% | D+26.2 |
Santa Clara County presidential elections — FAQ
Who carried Santa Clara County in the 2024 presidential election?+
Kamala D. Harris (Democratic) carried Santa Clara County, California in 2024 by D+40.0, with 750,433 votes cast. Data: MIT Election Data & Science Lab.
How did Santa Clara County shift between 2020 and 2024?+
Santa Clara County shifted 7.4 points toward Republicans between 2020 (D+47.4) and 2024 (D+40.0).
Is Santa Clara County more Democratic or Republican than California overall?+
In 2024, Santa Clara County went D+40.0 while California overall went D+20.1 — 19.9 points more Democratic 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.