What year did Kennedy take office as president?
JFK was elected in 1960, took office in 1961.
Kennedy Johnson The 35th President of the United States was John F. Kennedy. President Kennedy was in office from January 20, 1961 until November 22, 1963 when he was Assassinated. Vice President Lyndon B. Johnson succeeded Kennedy and became the The 36th President of the United States. President Johnson served in office from November 22, 1963 to January 20, 1969.