Presidential elections · 2000–2024
Collin County, TX — Presidential Election Results (2000–2024)
In 2024, Collin County, Texas voted for Donald J. Trump (Republican) by R+11.1 — 222,115 Democratic to 279,534 Republican of 515,585 votes cast. From 2020 to 2024 it shifted 6.7 points toward Republicans. That makes it 2.6 points more Democratic than Texas overall (R+13.7).
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 Collin County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 222,115 | 279,534 | 13,936 | 43.1% | 54.2% | R+11.1 |
| 2020 | 230,945 | 252,318 | 7,593 | 47.0% | 51.4% | R+4.4 |
| 2016 | 140,624 | 201,014 | 19,781 | 38.9% | 55.6% | R+16.7 |
| 2012 | 101,415 | 196,888 | 4,518 | 33.5% | 65.0% | R+31.5 |
| 2008 | 109,047 | 184,897 | 2,639 | 36.8% | 62.3% | R+25.6 |
| 2004 | 68,935 | 174,435 | 1,784 | 28.1% | 71.2% | R+43.0 |
| 2000 | 42,884 | 128,179 | 4,357 | 24.4% | 73.1% | R+48.6 |
Collin County presidential elections — FAQ
Who carried Collin County in the 2024 presidential election?+
Donald J. Trump (Republican) carried Collin County, Texas in 2024 by R+11.1, with 515,585 votes cast. Data: MIT Election Data & Science Lab.
How did Collin County shift between 2020 and 2024?+
Collin County shifted 6.7 points toward Republicans between 2020 (R+4.4) and 2024 (R+11.1).
Is Collin County more Democratic or Republican than Texas overall?+
In 2024, Collin County went R+11.1 while Texas overall went R+13.7 — 2.6 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.