Presidential elections · 2000–2024
Umatilla County, OR — Presidential Election Results (2000–2024)
In 2024, Umatilla County, Oregon voted for Donald J. Trump (Republican) by R+37.5 — 9,251 Democratic to 20,973 Republican of 31,225 votes cast. From 2020 to 2024 it shifted 5.5 points toward Republicans. That makes it 51.8 points more Republican than Oregon overall (D+14.3).
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 Umatilla County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 9,251 | 20,973 | 1,001 | 29.6% | 67.2% | R+37.5 |
| 2020 | 10,707 | 21,270 | 1,061 | 32.4% | 64.4% | R+32.0 |
| 2016 | 7,673 | 17,059 | 2,865 | 27.8% | 61.8% | R+34.0 |
| 2012 | 8,584 | 15,499 | 886 | 34.4% | 62.1% | R+27.7 |
| 2008 | 9,484 | 15,254 | 785 | 37.2% | 59.8% | R+22.6 |
| 2004 | 8,884 | 17,068 | 370 | 33.8% | 64.8% | R+31.1 |
| 2000 | 7,809 | 14,140 | 1,111 | 33.9% | 61.3% | R+27.5 |
Umatilla County presidential elections — FAQ
Who carried Umatilla County in the 2024 presidential election?+
Donald J. Trump (Republican) carried Umatilla County, Oregon in 2024 by R+37.5, with 31,225 votes cast. Data: MIT Election Data & Science Lab.
How did Umatilla County shift between 2020 and 2024?+
Umatilla County shifted 5.5 points toward Republicans between 2020 (R+32.0) and 2024 (R+37.5).
Is Umatilla County more Democratic or Republican than Oregon overall?+
In 2024, Umatilla County went R+37.5 while Oregon overall went D+14.3 — 51.8 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.