General elections were held in Puerto Rico on November 3, 1964.Dieter Nohlen (2005) Elections in the Americas: A data handbook, Volume I, p552 Roberto Sánchez Vilella of the Popular Democratic Party (PPD) was elected Governor, whilst the PPD's Santiago Polanco-Abreu was elected Resident Commissioner. Voter turnout was 84%.Nohlen, p558Nohlen, p563
Results Governor
Resident Commissioner
References
Further reading Robert W. Anderson "Las elecciones de 1964 en Puerto Rico: Una evaluación." Revista de Ciencias Sociales, Vol. IX, No. 3, September 1965. Universidad de Puerto Rico. pp. 263–271.