Presidential elections · 2000–2024
San Juan County, WA — Presidential Election Results (2000–2024)
In 2024, San Juan County, Washington voted for Kamala D. Harris (Democratic) by D+51.1 — 9,539 Democratic to 2,890 Republican of 13,006 votes cast. From 2020 to 2024 it shifted 0.6 points toward Democrats. That makes it 32.9 points more Democratic than Washington overall (D+18.2).
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 Juan County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 9,539 | 2,890 | 577 | 73.3% | 22.2% | D+51.1 |
| 2020 | 9,725 | 3,057 | 415 | 73.7% | 23.2% | D+50.5 |
| 2016 | 7,172 | 2,688 | 914 | 66.6% | 24.9% | D+41.6 |
| 2012 | 7,125 | 3,111 | 358 | 67.3% | 29.4% | D+37.9 |
| 2008 | 7,374 | 2,958 | 199 | 70.0% | 28.1% | D+41.9 |
| 2004 | 6,589 | 3,290 | 209 | 65.3% | 32.6% | D+32.7 |
| 2000 | 4,426 | 3,005 | 993 | 52.5% | 35.7% | D+16.9 |
San Juan County presidential elections — FAQ
Who carried San Juan County in the 2024 presidential election?+
Kamala D. Harris (Democratic) carried San Juan County, Washington in 2024 by D+51.1, with 13,006 votes cast. Data: MIT Election Data & Science Lab.
How did San Juan County shift between 2020 and 2024?+
San Juan County shifted 0.6 points toward Democrats between 2020 (D+50.5) and 2024 (D+51.1).
Is San Juan County more Democratic or Republican than Washington overall?+
In 2024, San Juan County went D+51.1 while Washington overall went D+18.2 — 32.9 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.