1970 Arizona gubernatorial election

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1970 Arizona gubernatorial election

← 1968 November 3, 1970 1974 →
  Jack Williams (Arizona politician) (cropped).jpg Raul Hector Castro swearing in as Ambassador to Argentina (cropped).jpg
Nominee Jack Williams Raúl Héctor Castro
Party Republican Democratic
Popular vote 209,356 202,053
Percentage 50.9% 49.1%

Arizona Governor Election Results by County, 1970.svg
County Results

Williams:      50-60%      60-70%

Castro:      50–60%      60–70%      70–80%

Governor before election

Jack Williams

Elected Governor

Jack Williams

The 1970 Arizona gubernatorial election took place on November 3, 1970. Incumbent Governor Jack Williams ran for reelection to a third term as Governor. United States Ambassador to Bolivia Raúl Héctor Castro won the Democratic nomination, and narrowly lost the general election to Williams by 1.78%. Williams was sworn into his third and final term as Governor on January 5, 1971.

Due to a constitutional amendment approved by the voters in 1968, the length of the term of Governor of Arizona was changed from two years to four years, effective with the 1970 gubernatorial election. Thus, Williams became the first Arizona Governor to serve a 4-year term.[1]

Republican primary[edit]


Democratic primary[edit]


  • Raúl Héctor Castro, United States Ambassador to Bolivia, former United States Ambassador to El Salvador
  • Jack Ross, car dealer
  • George Nader, former Mayor


Democratic primary results[2]
Party Candidate Votes %
Democratic Raúl Héctor Castro 63,294 51.99%
Democratic Jack Ross 30,921 25.40%
Democratic George Nader 27,534 22.62%
Total votes 121,749 100.00

General election[edit]


Arizona gubernatorial election, 1970[3]
Party Candidate Votes % ±
Republican Jack Williams 209,356 50.89%
Democratic Raúl Héctor Castro 202,053 49.11%
Majority 7,303 1.78%
Turnout 411,409
Republican gain from Democratic Swing