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Don Horn
Don Horn (Republican Party) is running for election to the U.S. House to represent Texas' 4th Congressional District. He declared candidacy for the Republican primary scheduled on March 3, 2026.[source]
Elections
2026
See also: Texas' 4th Congressional District election, 2026
General election
The primary will occur on March 3, 2026. The general election will occur on November 3, 2026. General election candidates will be added here following the primary.
Democratic primary
Democratic primary for U.S. House Texas District 4
Brice Gonzales (D), Jason Pearce (D), and Andrew Rubell (D) are running in the Democratic primary for U.S. House Texas District 4 on March 3, 2026.
Candidate | ||
| Brice Gonzales | ||
| | Jason Pearce ![]() | |
| | Andrew Rubell ![]() | |
= candidate completed the Ballotpedia Candidate Connection survey. | ||||
| If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey. | ||||
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Republican primary
Republican primary for U.S. House Texas District 4
Incumbent Pat Fallon (R) and Don Horn (R) are running in the Republican primary for U.S. House Texas District 4 on March 3, 2026.
Candidate | ||
| | Pat Fallon | |
| Don Horn | ||
= candidate completed the Ballotpedia Candidate Connection survey. | ||||
| If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey. | ||||
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Endorsements
Ballotpedia is gathering information about candidate endorsements. To send us an endorsement, click here.
2024
See also: Texas' 4th Congressional District election, 2024
Texas' 4th Congressional District election, 2024 (March 5 Republican primary)
Texas' 4th Congressional District election, 2024 (March 5 Democratic primary)
General election
General election for U.S. House Texas District 4
Incumbent Pat Fallon defeated Simon Cardell in the general election for U.S. House Texas District 4 on November 5, 2024.
Candidate | % | Votes | ||
| ✔ | Pat Fallon (R) | 68.4 | 241,603 | |
Simon Cardell (D) ![]() | 31.6 | 111,696 | ||
| Total votes: 353,299 | ||||
= candidate completed the Ballotpedia Candidate Connection survey. | ||||
| If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey. | ||||
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Withdrawn or disqualified candidates
- Mark Boler (L)
Democratic primary election
Democratic primary for U.S. House Texas District 4
Simon Cardell advanced from the Democratic primary for U.S. House Texas District 4 on March 5, 2024.
Candidate | % | Votes | ||
| ✔ | Simon Cardell ![]() | 100.0 | 14,954 | |
| Total votes: 14,954 | ||||
= candidate completed the Ballotpedia Candidate Connection survey. | ||||
| If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey. | ||||
Do you want a spreadsheet of this type of data? Contact our sales team. | ||||
Republican primary election
Republican primary for U.S. House Texas District 4
Incumbent Pat Fallon defeated Don Horn in the Republican primary for U.S. House Texas District 4 on March 5, 2024.
Candidate | % | Votes | ||
| ✔ | Pat Fallon | 80.3 | 70,801 | |
| Don Horn | 19.7 | 17,396 | ||
| Total votes: 88,197 | ||||
= candidate completed the Ballotpedia Candidate Connection survey. | ||||
| If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey. | ||||
Do you want a spreadsheet of this type of data? Contact our sales team. | ||||
Withdrawn or disqualified candidates
- Dan Thomas (R)
Libertarian convention
Libertarian convention for U.S. House Texas District 4
Mark Boler advanced from the Libertarian convention for U.S. House Texas District 4 on March 23, 2024.
Candidate | ||
| ✔ | Mark Boler (L) | |
= candidate completed the Ballotpedia Candidate Connection survey. | ||||
| If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey. | ||||
Do you want a spreadsheet of this type of data? Contact our sales team. | ||||
Endorsements
Ballotpedia did not identify endorsements for Horn in this election.
Campaign themes
2026
Ballotpedia survey responses
See also: Ballotpedia's Candidate Connection
Don Horn has not yet completed Ballotpedia's 2026 Candidate Connection survey. If you are Don Horn, click here to fill out Ballotpedia's 2026 Candidate Connection survey.
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2024
Don Horn did not complete Ballotpedia's 2024 Candidate Connection survey.
Campaign finance summary
Note: The finance data shown here comes from the disclosures required of candidates and parties. Depending on the election or state, this may represent only a portion of all the funds spent on their behalf. Satellite spending groups may or may not have expended funds related to the candidate or politician on whose page you are reading this disclaimer. Campaign finance data from elections may be incomplete. For elections to federal offices, complete data can be found at the FEC website. Click here for more on federal campaign finance law and here for more on state campaign finance law.
See also
2026 Elections
External links
Footnotes

