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Texas·TX·FIPS 48085

Collin County

Voted Republican in 2024 · 515,585 votes cast

Collin County

About Collin County

Collin County is a county in the northern part of the U.S. state of Texas. It is part of the Dallas–Fort Worth–Arlington metropolitan statistical area, and a small portion of the city of Dallas is in the county. At the 2020 United States census, the county's population was 1,064,465, making it Texas's sixth-most populous county and the 43rd-largest county by population in the United States. Its county seat is McKinney.

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Total Votes (2024)
515,585
Winner Margin
R+7.3
Turnout Change
+5.0%
2020→2024 Swing
R+2.9

2024 Presidential Results

All candidates · Collin County, Texas

Donald J Trump(Republican)
100.7%519,368
Won by 107,150 votes
Kamala D Harris(Democrat)
80.0%412,218
Other(Other)
3.4%17,454
Chase Oliver(Libertarian)
1.2%6,118

Margin History

Red = Republican, Blue = Democratic

2024R+7.3
2020R+4.4
2016R+16.7
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Swung Right in 2024

Collin County shifted 2.9 points toward Republicans compared to 2020. Voter turnout increased by 5.0%.

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No one has claimed Collin County yet

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Collin County — Local Discussion

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What does Collin County really think?

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Election data: MIT Election Data Science Lab, Harvard Dataverse (CC BY 4.0)