Brown (R) | Lost special election to fill seat.Successor elected November 2, 1954. | nowrap | Alan Bible (D) | December 2, 1954 |- | Ohio(3) | nowrap | Thomas A. Burke (D) | Lost special election to fill seat.Successor elected November 2, 1954. | nowrap | George H. Bender (R) | December 16, 1954 |- | South Carolina(2) | nowrap | Charles E. Daniel (D) | Resigned December 23, 1954.Successor appointed December 24, 1954. | nowrap | Strom Thurmond (D) | December 24, 1954 |- | Nebraska(2) | nowrap | Hazel Abel (R) | Resigned December 31, 1954.Successor was appointed January 1, 1955. | nowrap | Carl Curtis (R) | January 1, 1955 |} House of Representatives |- | | Vacant | Rep. Edward E. Cox died during previous congress | nowrap | J. L. Pilcher (D) | February 4, 1953 |- | | Vacant | Rep. Adolph J. Sabath died during previous congress | nowrap | James Bowler (D) | July 7, 1953 |- | | nowrap| Thomas B. Stanley (D) | Resigned February 3, 1953, to run for Governor of Virginia | nowrap | William M. Tuck (D) | April 14, 1953 |- | | nowrap| Joseph R. Bryson (D) | Died March 10, 1953 | nowrap | Robert T. Ashmore (D) | June 2, 1953 |- | | nowrap| Garrett Withers (D) | Died April 30, 1953 | nowrap | William Natcher (D) | August 1, 1953 |- | | nowrap| Merlin Hull (R) | Died May 17, 1953 | nowrap | Lester Johnson (D) | October 13, 1953 |- | | nowrap| Norris Poulson (R) | Resigned June 11, 1953, after being elected Mayor of Los Angeles | nowrap | Glenard P. Lipscomb (R) | November 10, 1953 |- | | nowrap| Clifford P. Case (R) | Resigned August 16, 1953 | nowrap | Harrison A. Williams (D) | November 3, 1953 |- | | nowrap| Joseph Rider Farrington (R) | Died June 19, 1954 | nowrap | Mary Elizabeth Pruett Farrington (R) | August 4, 1954 |- | | nowrap| Louis B. Heller (D) | Resigned July 21, 1954, after being appointed judge of the Court of Special Sessions of New York City | Vacant | Not filled this term |- | | nowrap| Albert Sidney Camp (D) | Died July 24, 1954 | nowrap | John Flynt (D) | November 2, 1954 |-