New Jersey was won overwhelmingly by the Democratic nominees, incumbent President Lyndon B. Johnson of Texas and his running mate Senator Hubert H. Humphrey of Minnesota.

Johnson and Humphrey defeated the Republican nominees, Senator Barry Goldwater of Arizona and his running mate Congressman William E. Miller of New York.

This is the last time each county in New Jersey voted for the same presidential candidate until Republican President Richard Nixon’s landslide 1972 re-election.

Former Ambassador to the United Nations Henry Cabot Lodge Jr. would win the primary as a write-in candidate, over Barry Goldwater and Richard Nixon

Incumbent president Lyndon B. Johnson won the primary on a write-in campaign, as no candidate's names were on the ballot.