Williamson County, TX
TX · Presidential Elections 1912–2024
Williamson County, TX (Texas) voted R+2.4 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 155,310 votes (50.18%) to 147,766 (47.74%) for Harris.
This represents a R+3.8% swing toward Republicans compared to 2020. Williamson County is classified as a competitive Republican county. Williamson County has voted Republican in every presidential election since 2024. The county has a population of approximately 672,688.
Quick Stats
Demographics
Community Profile
Religious Composition
Source: Religion Census 2020Ancestry Groups
Source: Census ACSTop reported ancestry groups (compared to national average).
Age Distribution
Employment by Industry
Census ACSPresidential Elections
Presidential Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 47.7%(147,766) | 50.2%(155,310) | R+2.4 | R+3.8 |
| 2020 | 49.6%(143,795) | 48.1%(139,729) | D+1.4 | D+11.0 |
| 2016 | 41.3%(84,468) | 50.9%(104,175) | R+9.6 | D+11.8 |
| 2012 | 37.8%(61,875) | 59.2%(97,006) | R+21.4 | R+8.4 |
| 2008 | 42.7%(67,691) | 55.8%(88,323) | R+13.0 | D+18.3 |
| 2004 | 33.6%(43,117) | 65.0%(83,284) | R+31.3 | D+8.7 |
| 2000 | 27.7%(26,591) | 67.8%(65,041) | R+40.1 | R+21.0 |
| 1996 | 36.3%(24,175) | 55.4%(36,836) | R+19.0 | R+8.0 |
| 1992 | 31.7%(19,437) | 42.8%(26,208) | R+11.1 | D+5.3 |
| 1988 | 41.5%(19,589) | 57.9%(27,322) | R+16.4 | D+28.0 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Williamson County, TX • 1912–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 49.4%(151,076) | 50.6%(154,860) | R+1.2 | D+1.8 |
| 2020 | 47.1%(133,783) | 50.2%(142,391) | R+3.0 | R+5.9 |
| 2018 | 50.8%(105,850) | 48.0%(99,857) | D+2.9 | D+31.5 |
| 2014 | 32.8%(33,857) | 61.5%(63,387) | R+28.6 | R+8.9 |
| 2012 | 37.5%(60,279) | 57.3%(92,034) | R+19.8 | D+1.4 |
| 2008 | 37.5%(58,250) | 58.6%(91,115) | R+21.1 | D+9.9 |
| 2006 | 32.7%(27,289) | 63.8%(53,215) | R+31.1 | R+3.1 |
| 2002 | 35.0%(26,306) | 62.9%(47,305) | R+27.9 | D+24.0 |
| 2000 | 22.0%(20,829) | 73.9%(70,036) | R+51.9 | R+30.8 |
| 1996 | 38.7%(25,585) | 59.8%(39,555) | R+21.1 | D+12.9 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 48.9%(110,242) | 49.4%(111,488) | R+0.6 | D+10.2 |
| 2018 | 43.4%(90,002) | 54.1%(112,214) | R+10.7 | D+10.4 |
| 2014 | 38.0%(39,516) | 59.2%(61,496) | R+21.2 | D+0.6 |
| 2010 | 36.9%(37,319) | 58.6%(59,271) | R+21.7 | R+6.4 |
| 2006 | 27.5%(23,072) | 42.8%(35,956) | R+15.3 | D+25.3 |
| 2002 | 27.7%(20,822) | 68.3%(51,326) | R+40.6 | D+15.3 |
| 1998 | 21.6%(11,724) | 77.6%(42,075) | R+56.0 | R+40.2 |
| 1994 | 41.7%(20,674) | 57.5%(28,499) | R+15.8 | R+19.9 |
| 1990 | 50.7%(19,737) | 46.6%(18,148) | D+4.1 | D+14.9 |
| 1986 | 43.8%(12,437) | 54.6%(15,516) | R+10.8 | R+19.2 |
Source: Official state election returns via MIT Election Data + Science Lab