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 County results Connally: 50–60% 60–70% 70–80% 80–90% >90% | |||||||||||||||||
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| Elections in Texas |
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 Government |
The 1966 Texas gubernatorial election was held on November 8, 1966, to elect the governor of Texas. Incumbent Democratic Governor John Connally was easily reelected to a third term, winning 73% of the vote to Republican T. E. Kennerly's 26%. Connally swept all 254 counties in this election and was inaugurated for his third term on January 17, 1967.
The election is, to date, the last time that a candidate for Governor of Texas won more than 70% of the vote, as well as the last in which a candidate won every county. As of 2023, Randall, Ochiltree, and Smith counties have not voted for the Democratic candidate since this election.