Presidential elections · 2000–2024
Gallatin County, MT — Presidential Election Results (2000–2024)
In 2024, Gallatin County, Montana voted for Kamala D. Harris (Democratic) by D+3.2 — 34,938 Democratic to 32,695 Republican of 69,897 votes cast. From 2020 to 2024 it shifted 4.3 points toward Republicans. That makes it 23.1 points more Democratic than Montana overall (R+19.9).
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 Gallatin County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 34,938 | 32,695 | 2,264 | 50.0% | 46.8% | D+3.2 |
| 2020 | 37,044 | 31,696 | 2,239 | 52.2% | 44.7% | D+7.5 |
| 2016 | 24,246 | 23,802 | 5,771 | 45.1% | 44.2% | D+0.8 |
| 2012 | 21,961 | 24,358 | 1,563 | 45.9% | 50.9% | R+5.0 |
| 2008 | 24,205 | 22,578 | 1,386 | 50.3% | 46.9% | D+3.4 |
| 2004 | 16,405 | 22,392 | 1,044 | 41.2% | 56.2% | R+15.0 |
| 2000 | 10,009 | 18,833 | 3,198 | 31.2% | 58.8% | R+27.5 |
Gallatin County presidential elections — FAQ
Who carried Gallatin County in the 2024 presidential election?+
Kamala D. Harris (Democratic) carried Gallatin County, Montana in 2024 by D+3.2, with 69,897 votes cast. Data: MIT Election Data & Science Lab.
How did Gallatin County shift between 2020 and 2024?+
Gallatin County shifted 4.3 points toward Republicans between 2020 (D+7.5) and 2024 (D+3.2).
Is Gallatin County more Democratic or Republican than Montana overall?+
In 2024, Gallatin County went D+3.2 while Montana overall went R+19.9 — 23.1 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.