Collin County, Texas presidential election results

In 2024 Donald J. Trump won Collin County by 11.1 points, out of 515,167 votes for president.

Collin County margin: Republican minus Democratic share, in points. Bars above the line lean Republican, below lean Democratic.

2024

Texas 2024

Ticket	Votes	Share
Donald J. Trump REP	279,534	54.3%
Kamala Harris DEM	222,115	43.1%
All other candidates	13,518	2.6%
Total	515,167

Collin County was R+11.2 against R+13.7 statewide, 2.5 points more Democratic than the state.

Source: County results compiled by Tony McGovern from news-media election-night tallies (Fox News, Politico, The New York Times); not a certified state document

2020

Texas 2020

Ticket	Votes	Share
Donald J. Trump REP	252,318	51.3%
Joseph R. Biden DEM	230,945	46.9%
All other candidates	8,953	1.8%
Total	492,216

Collin County was R+4.4 against R+5.6 statewide, 1.2 points more Democratic than the state.

Source: County results compiled by Tony McGovern from news-media election-night tallies (Fox News, Politico, The New York Times); not a certified state document

2016

Texas 2016

Ticket	Votes	Share
Donald J. Trump REP	201,014	55.6%
Hillary Clinton DEM	140,624	38.9%
All other candidates	19,781	5.5%
Total	361,419

Collin County was R+16.7 against R+9.0 statewide, 7.7 points more Republican than the state.

Source: MIT Election Data and Science Lab, County Presidential Election Returns 2000-2016 (compiled from official state election records)

2012

Texas 2012

Ticket	Votes	Share
Mitt Romney REP	196,888	65.0%
Barack Obama DEM	101,415	33.5%
All other candidates	4,518	1.5%
Total	302,821

Collin County was R+31.5 against R+15.8 statewide, 15.7 points more Republican than the state.

Source: MIT Election Data and Science Lab, County Presidential Election Returns 2000-2016 (compiled from official state election records)

2008

Texas 2008

Ticket	Votes	Share
John McCain REP	184,897	62.3%
Barack Obama DEM	109,047	36.8%
All other candidates	2,639	0.9%
Total	296,583

Collin County was R+25.5 against R+11.8 statewide, 13.7 points more Republican than the state.

Source: MIT Election Data and Science Lab, County Presidential Election Returns 2000-2016 (compiled from official state election records)

2004

Texas 2004

Ticket	Votes	Share
George W. Bush REP	174,435	71.2%
John Kerry DEM	68,935	28.1%
All other candidates	1,784	0.7%
Total	245,154

Collin County was R+43.1 against R+22.9 statewide, 20.2 points more Republican than the state.

Source: MIT Election Data and Science Lab, County Presidential Election Returns 2000-2016 (compiled from official state election records)

2000

Texas 2000

Ticket	Votes	Share
George W. Bush REP	128,179	73.1%
Albert Gore, Jr. DEM	42,884	24.4%
All other candidates	4,357	2.5%
Total	175,420

Collin County was R+48.7 against R+21.3 statewide, 27.4 points more Republican than the state.

Source: MIT Election Data and Science Lab, County Presidential Election Returns 2000-2016 (compiled from official state election records)

Questions and answers

Who won Collin County, Texas in 2024?

Donald J. Trump won Collin County by 11.1 points, out of 515,167 votes counted for president.

Is Collin County Republican or Democratic?

Presidential results: 2024: Republican by 11.2 points; 2020: Republican by 4.4 points; 2016: Republican by 16.7 points; 2012: Republican by 31.5 points; 2008: Republican by 25.5 points; 2004: Republican by 43.1 points; 2000: Republican by 48.7 points.

How does Collin County vote compared with the rest of Texas?

In 2024 it was 2.5 points more Democratic than the state as a whole (Republican by 11.2 points against Republican by 13.7 points statewide).

Official results As published by The American Presidency Project (UC Santa Barbara) and the state documents it links. How we use this data