1964 United States elections
The 1964 United States Elections were held on November 3, and elected the members of the 89th United States Congress, as well as the 45th Presidential Election. The Democratic party retained the presidency and added to their majorities in both chambers of Congress. This was the first presidential election after the ratification of the 23rd Amendment, which granted electoral votes to Washington, D.C.
Democratic incumbent President Lyndon B. Johnson won a full term, defeating Republican Senator Barry Goldwater from Arizona. Johnson won every state except for Arizona and the Deep South. Johnson won 61% of the popular vote, the largest share of the popular vote since 1820. Goldwater won the Republican nomination on the first ballot, defeating Governor William Scranton of Pennsylvania and Governor Nelson Rockefeller of New York.
The Democratic Party picked up 37 seats in the House and 2 seats in the Senate, thereby capturing veto-proof supermajorities in both chambers.
In the gubernatorial elections, the Republican Party won a net gain of one seat.
