Presidential elections · 2000–2024
Summit County, CO — Presidential Election Results (2000–2024)
In 2024, Summit County, Colorado voted for Kamala D. Harris (Democratic) by D+37.2 — 11,762 Democratic to 5,244 Republican of 17,542 votes cast. From 2020 to 2024 it shifted 2.4 points toward Republicans. That makes it 26.2 points more Democratic than Colorado overall (D+11.0).
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 Summit County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 11,762 | 5,244 | 536 | 67.1% | 29.9% | D+37.2 |
| 2020 | 12,631 | 5,322 | 526 | 68.4% | 28.8% | D+39.6 |
| 2016 | 9,557 | 5,100 | 1,517 | 59.1% | 31.5% | D+27.6 |
| 2012 | 9,347 | 5,571 | 394 | 61.0% | 36.4% | D+24.7 |
| 2008 | 9,802 | 4,883 | 214 | 65.8% | 32.8% | D+33.0 |
| 2004 | 8,144 | 5,370 | 221 | 59.3% | 39.1% | D+20.2 |
| 2000 | 5,304 | 4,497 | 1,267 | 47.9% | 40.6% | D+7.3 |
Summit County presidential elections — FAQ
Who carried Summit County in the 2024 presidential election?+
Kamala D. Harris (Democratic) carried Summit County, Colorado in 2024 by D+37.2, with 17,542 votes cast. Data: MIT Election Data & Science Lab.
How did Summit County shift between 2020 and 2024?+
Summit County shifted 2.4 points toward Republicans between 2020 (D+39.6) and 2024 (D+37.2).
Is Summit County more Democratic or Republican than Colorado overall?+
In 2024, Summit County went D+37.2 while Colorado overall went D+11.0 — 26.2 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.