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2026 midtermsResults

2026 results · Texas · Texas 20th District

Joaquin Castro, the Democrat, wins re-election in Texas's 20th District

Kamala Harris carried the district by 28.1 points in 2024; this year's count is a 27.1-point move toward the Democrats.

Texas 20th District: votes counted for each candidate
CandidateVotesShareShare of the vote
Joaquin CastroDemocrat, incumbent149,39777.6%
Edgardo Rafael BaezRepublican43,09722.4%

Called by Call the Map, Nov 4, 8:45 AM EST · 98% counted.

About 98% of the expected vote counted192,494 votesCount last changed Nov 4, 5:48 PM EST · checked Nov 7, 5:11 PM ESTSource: Texas Secretary of State

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About the seat

Texas's 20th District lies within Bexar County. The Democrats held it before this election. Its voters went D+28.1 for president in 2024. Its move from that vote, 27.1 points toward the Democrats, ranks 5 of 38 among the state's districts, counting from the largest move toward the Democrats.

2024 president
D+28.1
Move from 2024, rank in state
5 of 38

Shares are of the votes counted this year. The district was redrawn for 2026 or had no contest in 2024, so no 2024 House race compares like for like.

Texas’s ballot

All of Texas’s resultsThe state legislature

The seats that changed party

StatewideDemocrats won all 8 of Texas's statewide races.

  1. U.S. SenateJames TalaricoD+12.1Flip
  2. GovernorGina HinojosaD+7.1Flip
  3. Attorney GeneralNathan JohnsonD+6.4Flip
  4. Commissioner of AgricultureClayton TuckerD+4.7
  5. Comptroller of Public AccountsSarah EckhardtD+5.1
  6. Commissioner of the General Land OfficeBenjamin FloresD+4.5
  7. Lieutenant GovernorVikki GoodwinD+6.1
  8. Railroad CommissionerJon RosenthalD+7.0

U.S. HouseBefore the election R 25–13, now R 24–14

  1. R+38.1Moran
  2. R+2.0Toth
  3. R+5.5Self
  4. R+12.1Fallon
  5. R+2.9Gooden
  6. R+4.3Ellzey
  7. D+43.3Fletcher
  8. R+6.4Steinmann
  9. D+15.1Gutierrez
  10. R+7.5Gober
  11. R+19.0Pfluger
  12. R+6.2Goldman
  13. R+30.5Jackson
  14. R+8.0Weber
  15. D+24.6Pulido
  16. D+41.5Escobar
  17. R+7.1Sessions
  18. D+72.1Menefee
  19. R+39.0Sell
  20. D+55.2Castro
  21. R+9.0Teixeira
  22. R+3.6Nehls
  23. D+8.2Stout
  24. R+6.9Duyne
  25. R+7.5Williams
  26. R+10.4Gill
  27. R+2.3Cloud
  28. D+36.1Cuellar
  29. D+59.9Garcia
  30. D+65.3Haynes
  31. R+9.0Carter
  32. R+2.9Yarbrough
  33. D+57.1Allred
  34. D+16.0Gonzalez
  35. D+10.9Garcia
  36. R+7.1Babin
  37. D+67.5Casar
  38. R+4.2Bonck

won leads, still counting changed party. Margins are the leader’s share minus the runner-up’s, in points.

Every count on this page is the official count published by the Texas Secretary of State. Counts are unofficial until the state certifies them. The 2024 comparison is the presidential vote, Kamala Harris against Donald Trump, on the same ground. Margins are the Democrat minus the Republican, in points of all votes.