United States gubernatorial elections were held 3 November 1964, concurrently with the presidential election. Elections were held in 25 states and 1 territory. This was the last gubernatorial elections for Florida, Massachusetts, Michigan, and Nebraska to take place in a presidential election year. Florida switched its governor election years to midterm years, while the other three expanded their terms from two to four years.
References
United States gubernatorial elections, 1964 Wikipedia(Text) CC BY-SA