Presidential elections · 2000–2024
King County, WA — Presidential Election Results (2000–2024)
In 2024, King County, Washington voted for Kamala D. Harris (Democratic) by D+51.3 — 832,606 Democratic to 252,193 Republican of 1,130,502 votes cast. From 2020 to 2024 it shifted 1.4 points toward Republicans. That makes it 33.1 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 King County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 832,606 | 252,193 | 45,703 | 73.6% | 22.3% | D+51.3 |
| 2020 | 907,310 | 269,167 | 34,030 | 75.0% | 22.2% | D+52.7 |
| 2016 | 718,322 | 216,339 | 63,838 | 71.9% | 21.7% | D+50.3 |
| 2012 | 668,004 | 275,700 | 23,450 | 69.1% | 28.5% | D+40.6 |
| 2008 | 648,230 | 259,716 | 14,086 | 70.3% | 28.2% | D+42.1 |
| 2004 | 580,378 | 301,043 | 12,113 | 65.0% | 33.7% | D+31.3 |
| 2000 | 476,700 | 273,171 | 44,207 | 60.0% | 34.4% | D+25.6 |
King County presidential elections — FAQ
Who carried King County in the 2024 presidential election?+
Kamala D. Harris (Democratic) carried King County, Washington in 2024 by D+51.3, with 1,130,502 votes cast. Data: MIT Election Data & Science Lab.
How did King County shift between 2020 and 2024?+
King County shifted 1.4 points toward Republicans between 2020 (D+52.7) and 2024 (D+51.3).
Is King County more Democratic or Republican than Washington overall?+
In 2024, King County went D+51.3 while Washington overall went D+18.2 — 33.1 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.