Not really, you have no way of knowing if the people who voted for him were republicans. Neither does Texas, they don’t do party affiliation officially and primaries are open.

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Registration:

  • Texas has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.

Details of voting in congressional and state primary elections:

  • Voters do not declare affiliation with a party in order to vote in the primary elections, but they must choose one party’s ballot.

  • Voters are only tied to party affiliation within the election cycle if there is a runoff.

  • Texas voters are not held to past affiliations from election to election.