MAJORITY

• 0RICHARD BREVARD RUSSELL

  [D] GA, 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
• 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
• 0THOMAS MCINTYRE

  [D] NH, United States
• 0DANIEL BAUGH BREWSTER

  [D] MD, United States

  Ended 01/03/1969
• 0HARRY FLOOD BYRD

  [D] VA, United States

MINORITY

• 1MARGARET CHASE SMITH

  [R] ME, United States

  Began 01/16/1967
• 807James "Strom" Strom Thurmond

  [R] SC, United States

  Began 01/16/1967
• 0JACK MILLER

  [R] IA, United States

  Began 01/16/1967
• 16John Tower

  [R] TX, United States

  Began 01/16/1967
• 0JAMES B. PEARSON

  [R] KS, United States

  Began 01/16/1967
• 2PETER H. DOMENICI

  [R] CO, United States

  Began 01/16/1967