Columns: State (class) | Vacator | Reason for change | Successor | Date of successors formal installation
New Hampshire (2) | Styles Bridges (R) | Died November 26, 1961 | Maurice J. Murphy, Jr. (R) | January 10, 1962 | Kansas (2) | Andrew F. Schoeppel (R) | Died January 21, 1962 | James B. Pearson (R) | January 31, 1962 | South Dakota (3) | Francis H. Case (R) | Died June 23, 1962 | Joseph H. Bottum (R) | July 9, 1962 | Idaho (2) | Henry Dworshak (R) | Died July 23, 1962 | Leonard B. Jordan (R) | August 6, 1962 | Massachusetts (1) | Benjamin A. Smith II (D) | Successor elected November 6, 1962 | Ted Kennedy (D) | November 7, 1962 | New Mexico (1) | Dennis Chavez (D) | Died November 18, 1962 | Edwin L. Mechem (R) | November 30, 1962