Presidential elections · 2000–2024
Island County, WA — Presidential Election Results (2000–2024)
In 2024, Island County, Washington voted for Kamala D. Harris (Democratic) by D+16.5 — 29,595 Democratic to 20,967 Republican of 52,449 votes cast. From 2020 to 2024 it shifted 4.5 points toward Democrats. That makes it 1.7 points more Republican 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 Island County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 29,595 | 20,967 | 1,887 | 56.4% | 40.0% | D+16.5 |
| 2020 | 29,213 | 22,746 | 1,966 | 54.2% | 42.2% | D+12.0 |
| 2016 | 20,960 | 18,465 | 3,451 | 48.9% | 43.1% | D+5.8 |
| 2012 | 21,478 | 19,605 | 1,016 | 51.0% | 46.6% | D+4.4 |
| 2008 | 22,058 | 19,426 | 675 | 52.3% | 46.1% | D+6.2 |
| 2004 | 18,216 | 19,754 | 589 | 47.2% | 51.2% | R+4.0 |
| 2000 | 14,778 | 16,408 | 1,817 | 44.8% | 49.7% | R+4.9 |
Island County presidential elections — FAQ
Who carried Island County in the 2024 presidential election?+
Kamala D. Harris (Democratic) carried Island County, Washington in 2024 by D+16.5, with 52,449 votes cast. Data: MIT Election Data & Science Lab.
How did Island County shift between 2020 and 2024?+
Island County shifted 4.5 points toward Democrats between 2020 (D+12.0) and 2024 (D+16.5).
Is Island County more Democratic or Republican than Washington overall?+
In 2024, Island County went D+16.5 while Washington overall went D+18.2 — 1.7 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.