Collin County, TX
TX · Presidential Elections 1912–2024
Collin County, TX (Texas) voted R+11.1 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 279,534 votes (54%) to 222,115 (42.91%) for Harris.
This represents a R+6.7% swing toward Republicans compared to 2020. Collin County is classified as a lean Republican county. Collin County has voted Republican in every presidential election since 1968. The county has a population of approximately 1,163,337.
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 | 42.9%(222,115) | 54.0%(279,534) | R+11.1 | R+6.7 |
| 2020 | 46.9%(230,945) | 51.3%(252,318) | R+4.3 | D+12.2 |
| 2016 | 38.6%(140,624) | 55.2%(201,014) | R+16.6 | D+14.9 |
| 2012 | 33.4%(101,415) | 64.9%(196,888) | R+31.4 | R+5.9 |
| 2008 | 36.8%(109,047) | 62.3%(184,897) | R+25.6 | D+17.5 |
| 2004 | 28.1%(68,935) | 71.2%(174,435) | R+43.0 | D+5.6 |
| 2000 | 24.4%(42,884) | 73.1%(128,179) | R+48.6 | R+14.1 |
| 1996 | 28.5%(37,854) | 63.0%(83,750) | R+34.5 | R+6.6 |
| 1992 | 19.0%(24,508) | 47.0%(60,514) | R+27.9 | D+21.2 |
| 1988 | 25.1%(22,934) | 74.3%(67,776) | R+49.2 | D+14.3 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Collin County, TX • 1912–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 46.3%(236,579) | 53.7%(274,554) | R+7.4 | D+4.2 |
| 2020 | 43.0%(207,005) | 54.7%(263,074) | R+11.7 | R+5.5 |
| 2018 | 46.5%(165,614) | 52.7%(187,425) | R+6.1 | D+34.3 |
| 2014 | 28.0%(49,145) | 68.4%(120,164) | R+40.4 | R+9.1 |
| 2012 | 32.8%(96,726) | 64.2%(189,142) | R+31.4 | R+0.7 |
| 2008 | 33.5%(96,094) | 64.1%(184,000) | R+30.6 | D+13.5 |
| 2006 | 26.8%(36,670) | 70.9%(97,055) | R+44.1 | R+3.4 |
| 2002 | 29.1%(36,810) | 69.9%(88,315) | R+40.7 | D+21.5 |
| 2000 | 17.7%(30,655) | 79.9%(138,238) | R+62.2 | R+22.4 |
| 1996 | 29.4%(38,708) | 69.2%(91,256) | R+39.9 | D+10.7 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 44.3%(161,737) | 54.3%(198,236) | R+10.0 | D+9.5 |
| 2018 | 39.3%(139,175) | 58.8%(208,075) | R+19.5 | D+13.6 |
| 2014 | 32.6%(57,757) | 65.7%(116,365) | R+33.1 | R+2.2 |
| 2010 | 33.1%(51,890) | 64.1%(100,359) | R+30.9 | R+5.3 |
| 2006 | 23.5%(32,457) | 49.1%(67,813) | R+25.6 | D+24.6 |
| 2002 | 23.9%(30,903) | 74.1%(95,680) | R+50.2 | D+19.4 |
| 1998 | 14.9%(12,544) | 84.5%(71,066) | R+69.6 | R+37.9 |
| 1994 | 33.8%(33,305) | 65.5%(64,515) | R+31.7 | R+13.6 |
| 1990 | 38.2%(27,435) | 56.3%(40,427) | R+18.1 | D+15.5 |
| 1986 | 32.7%(15,493) | 66.3%(31,410) | R+33.6 | R+7.0 |
Source: Official state election returns via MIT Election Data + Science Lab