Presidency of John F. Kennedy By Kaitlynn Nguyen Jan 20, 1961 Kennedy becomes president He came in office on January 20, 1961. Kennedy beat Nixon by a margin of 303 to 219. He won the popular vote by 112,000 votes out of 68 million cast.
He came in office on January 20, 1961. Kennedy beat Nixon by a margin of 303 to 219. He won the popular vote by 112,000 votes out of 68 million cast.