Texas 20th Congressional District
Congressional District 20
Covers part of Bexar County.
Who Holds This Seat
Running in 2026
Democrat · U.S. Representative
- Ballot
- On the 2026 ballot
- Last Change
- Profile updated · Sep 24
- Raised
- $522,504cycle to date through Jun 30
- Cash on Hand
- $154,380cycle to date through Jun 30
View on FEC.govFEC, cycle to date through Jun 30, 2026
Republican
- Ballot
- On the 2026 ballot
- Last Change
- Profile updated · Sep 24
- Raised
- $48,536cycle to date through Jun 30
- Cash on Hand
- $21,462cycle to date through Jun 30
View on FEC.govFEC, cycle to date through Jun 30, 2026
On File, Not Running
The District
308 precincts · District lines: Congressional lines: enacted plan "PLANC2333 (Texas congressional plan, 2025)" (H.B. 4, 89th Legislature, 2nd Called Session (2025); signed by Gov. Abbott Aug 29, 2025); 2026 status: In effect for the 2026 elections: a three-judge district court's preliminary injunction (Nov 18, 2025) was stayed by the U.S. Supreme Court on Dec 4, 2025; used for the Mar 3, 2026 primary. Official file https://data.capitol.texas.gov/dataset/planc2333 · Precinct lines: no contest override (the 2020-2024 House contests were on the prior lines); no-electorate fill where 2020 census blocks hold 0 people; no-electorate fill where 2020 census blocks hold 0 people
Results in This District
| Contest | First | Second | Margin | Votes | Source |
|---|---|---|---|---|---|
| 2024 President334 precinctsTexas Legislative Council, Capitol Data PortalOfficial canvass returns | Harris (D)162,555 · 62.4% | Trump (R)94,132 · 36.1% | D+26.3 | 260,562 | Texas Legislative Council, Capitol Data PortalOfficial canvass returns |
| 2024 U.S. Senate334 precinctsTexas Legislative Council, Capitol Data PortalOfficial canvass returns | Allred (D)166,118 · 65.5% | Cruz (R)80,823 · 31.9% | D+33.6 | 253,672 | Texas Legislative Council, Capitol Data PortalOfficial canvass returns |
| 2022 Governor334 precinctsTexas Legislative Council, Capitol Data PortalOfficial canvass returns | O'Rourke (D)125,433 · 68.4% | Abbott (R)55,114 · 30.1% | D+38.3 | 183,397 | Texas Legislative Council, Capitol Data PortalOfficial canvass returns |
| 2020 President319 precinctsTexas Legislative Council, Capitol Data PortalOfficial canvass returns | Biden (D)191,436 · 68.1% | Trump (R)85,173 · 30.3% | D+37.8 | 281,108 | Texas Legislative Council, Capitol Data PortalOfficial canvass returns |
| 2020 U.S. Senate319 precinctsTexas Legislative Council, Capitol Data PortalOfficial canvass returns | Hegar (D)177,050 · 64.7% | Cornyn (R)87,781 · 32.1% | D+32.6 | 273,798 | Texas Legislative Council, Capitol Data PortalOfficial canvass returns |
Totals add up the certified precinct results for the precincts inside today's district lines. A precinct split by the district line counts in full, or only in the district holding most of its voters where the linkage assigns it to one, and votes a county reported only countywide (some counties' absentee and early votes) are left out, so totals can differ from an official canvass.
Past Results
U.S. Rep 20
2022 General Election · Nov 8, 2022| Candidate | Party | Votes | Share |
|---|---|---|---|
| CastroDemocrat | Democrat | 115,352 | 68.4% |
| SinclairRepublican | Republican | 53,226 | 31.5% |
| JonaszWrite-in | Write-in | 143 | 0.1% |
Official canvass returns (Texas Secretary of State), compiled by the Texas Legislative Council and reported by 2022 general election VTDs · Texas Legislative Council, Capitol Data Portal — Comprehensive Election Datasets
U.S. Rep 20
2020 General Election · Nov 3, 2020| Candidate | Party | Votes | Share |
|---|---|---|---|
| CastroDemocrat | Democrat | 175,078 | 64.7% |
| GarzaRepublican | Republican | 89,628 | 33.1% |
| BluntLibertarian | Libertarian | 6,017 | 2.2% |
Official canvass returns (Texas Secretary of State), compiled by the Texas Legislative Council and reported by 2020 general election VTDs · Texas Legislative Council, Capitol Data Portal — Comprehensive Election Datasets
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