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Member brief · 119th Congress

Rep. Joaquin Castro

D · Democrat · U.S. Representative, Texas 20th District1

In Congress
Since 2013 · 13 years
 Next election
Nov 3, 2026
 Committee leadership
Ranking Member, Western Hemisphere
Ranking Member, Oversight and Investigations

CommitteesForeign Affairs; House Permanent Select Committee on Intelligence2

Participation3

97 / 100

Chamber median 98
653 of 674 roll calls

Party unity3

100 / 100

Chamber median 98
on 464 party-line votes

Cross-party agreement3

8 / 100

Chamber median 12
on 516 contested votes

Ideology score4

−0.40

Chamber median +0.19
−1 left · +1 right

Notable votes and votes by issue

In the full brief: five notable recent votes chosen by a fixed rule (most recent breaks with party first), each with the member’s vote, the party’s position and a source, plus how often Castro votes with the party on each issue.

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Votes most like5

D Pablo José Hernández PR-AL 100% of 69
D Maxine Dexter OR-3 100% of 512
D Greg Casar TX-35 100% of 450

Share of roll calls both voted on where they voted the same way.

Next race

Nov 3, 2026 · Filed for re-election6

Others filed for this seat

Edgardo Rafael BaezRepublican Party
Anthony James TristanIndependent

Data as of Oct 4, 2026 · votes through Sep 16, 2026 · Method: https://oathstar.com/methodology · Live profile: https://oathstar.com/member/joaquin-castro

  1. 1. Member record and terms: congress.gov; unitedstates/congress-legislators, retrieved 2026-10-04. www.congress.gov/member/C001091
  2. 2. Committees: unitedstates/congress-legislators, retrieved 2026-10-04. github.com/unitedstates/congress-legislators
  3. 3. Participation, party unity, cross-party agreement, votes by issue: Oathstar from Voteview roll calls, 119th Congress, retrieved 2026-10-04. voteview.com/person/21362
  4. 4. Ideology: DW-NOMINATE first dimension, Voteview, 119th Congress. voteview.com/person/21362
  5. 5. Votes most like: Oathstar from Voteview roll calls, 119th Congress. voteview.com/data
  6. 6. Candidates: FEC filings, 2026 TX-20 race, retrieved 2026-10-04. www.fec.gov/data/elections/house/TX/20/2026/

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