MAJORITY

• 0RICHARD BREVARD RUSSELL

  [D] GA, United States
• 0HARRY FLOOD BYRD

  [D] VA, United States
• 31John C. Stennis

  [D] MS, United States
• 0WILLIAM STUART SYMINGTON

  [D] MO, United States
• 0Henry Martin Jackson

  [D] WA, United States
• 2SAMUEL JAMES ERVIN

  [D] NC, United States
• 1James "Strom" Strom Thurmond

  [D] SC, United States

  Ended 09/16/1964
• 0CLAIR ENGLE

  [D] CA, United States

  Ended 07/30/1964
• 1HOWARD WALTER CANNON

  [D] NV, United States
• 1,644Robert C. Byrd

  [D] WV, United States
• 0STEPHEN MARVIN YOUNG

  [D] OH, United States
• 521Daniel K. Inouye

  [D] HI, United States

MINORITY

• 1Leverett Saltonstall

  [R] MA, United States

  Ended 01/15/1965
• 1MARGARET CHASE SMITH

  [R] ME, United States

  Ended 01/15/1965
• 0JAMES GLENN BEALL

  [R] MD, United States

  Ended 01/03/1965
• 0Barry M. Goldwater

  [R] AZ, United States

  Ended 01/03/1965
• 0CLIFFORD PHILLIP CASE

  [R] NJ, United States

  Ended 01/15/1965
• 808James "Strom" Strom Thurmond

  [R] SC, United States

  Began 09/17/1964

  Ended 01/15/1965

OTHER

• 0THOMAS MCINTYRE

  [D] NH, United States

  Began 08/10/1964