Williamson County, Texas presidential election results

In 2024 Donald J. Trump won Williamson County by 2.4 points, out of 308,163 votes for president.

Williamson 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	155,310	50.4%
Kamala Harris DEM	147,766	48.0%
All other candidates	5,087	1.7%
Total	308,163

Williamson County was R+2.4 against R+13.7 statewide, 11.3 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
Joseph R. Biden DEM	143,795	49.7%
Donald J. Trump REP	139,729	48.3%
All other candidates	5,788	2.0%
Total	289,312

Williamson County was D+1.4 against R+5.6 statewide, 7.0 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	104,175	51.3%
Hillary Clinton DEM	84,468	41.6%
All other candidates	14,438	7.1%
Total	203,081

Williamson County was R+9.7 against R+9.0 statewide, 0.7 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	97,006	59.4%
Barack Obama DEM	61,875	37.9%
All other candidates	4,390	2.7%
Total	163,271

Williamson County was R+21.5 against R+15.8 statewide, 5.7 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	88,323	55.8%
Barack Obama DEM	67,691	42.7%
All other candidates	2,389	1.5%
Total	158,403

Williamson County was R+13.1 against R+11.8 statewide, 1.3 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	83,284	65.0%
John Kerry DEM	43,117	33.6%
All other candidates	1,797	1.4%
Total	128,198

Williamson County was R+31.4 against R+22.9 statewide, 8.5 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	65,041	67.8%
Albert Gore, Jr. DEM	26,591	27.7%
All other candidates	4,303	4.5%
Total	95,935

Williamson County was R+40.1 against R+21.3 statewide, 18.8 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 Williamson County, Texas in 2024?

Donald J. Trump won Williamson County by 2.4 points, out of 308,163 votes counted for president.

Is Williamson County Republican or Democratic?

Presidential results: 2024: Republican by 2.4 points; 2020: Democratic by 1.4 points; 2016: Republican by 9.7 points; 2012: Republican by 21.5 points; 2008: Republican by 13.1 points; 2004: Republican by 31.4 points; 2000: Republican by 40.1 points.

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

In 2024 it was 11.3 points more Democratic than the state as a whole (Republican by 2.4 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