The 1964 United States presidential election in Colorado took place on November 3, 1964, as part of the 1964 United States presidential election. State voters chose six representatives, or electors, to the Electoral College, who voted for president and vice president. Colorado was won by incumbent President Lyndon B. Johnson (D–Texas), with 61.27% of the popular vote, against Senator Barry Goldwater (R–Arizona), with 38.19% of the popular vote.