Presidential elections · 2000–2024
Buchanan County, MO — Presidential Election Results (2000–2024)
In 2024, Buchanan County, Missouri voted for Donald J. Trump (Republican) by R+28.0 — 12,598 Democratic to 22,606 Republican of 35,743 votes cast. From 2020 to 2024 it shifted 3.4 points toward Republicans. That makes it 9.6 points more Republican than Missouri overall (R+18.4).
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 Buchanan County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 12,598 | 22,606 | 539 | 35.2% | 63.2% | R+28.0 |
| 2020 | 13,445 | 22,450 | 703 | 36.7% | 61.3% | R+24.6 |
| 2016 | 12,013 | 21,320 | 2,326 | 33.7% | 59.8% | R+26.1 |
| 2012 | 15,594 | 18,660 | 852 | 44.4% | 53.2% | R+8.7 |
| 2008 | 19,164 | 19,110 | 766 | 49.1% | 48.9% | D+0.1 |
| 2004 | 17,799 | 19,812 | 339 | 46.9% | 52.2% | R+5.3 |
| 2000 | 17,085 | 16,423 | 1,243 | 49.2% | 47.3% | D+1.9 |
Buchanan County presidential elections — FAQ
Who carried Buchanan County in the 2024 presidential election?+
Donald J. Trump (Republican) carried Buchanan County, Missouri in 2024 by R+28.0, with 35,743 votes cast. Data: MIT Election Data & Science Lab.
How did Buchanan County shift between 2020 and 2024?+
Buchanan County shifted 3.4 points toward Republicans between 2020 (R+24.6) and 2024 (R+28.0).
Is Buchanan County more Democratic or Republican than Missouri overall?+
In 2024, Buchanan County went R+28.0 while Missouri overall went R+18.4 — 9.6 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.