Columns: District | Vacator | Reason for change | Successor | Date successor seated
Georgia 9th | Vacant | Rep-elect Garnett McMillan died before taking seat | Benjamin H. Hill (D) | May 5, 1875 | Massachusetts 1st | James Buffington (R) | Died March 7, 1875 | William W. Crapo (R) | November 2, 1875 | Oregon At-large | George A. La Dow (D) | Died May 1, 1875 | Lafayette Lane (D) | October 25, 1875 | Tennessee 4th | Samuel M. Fite (D) | Died October 23, 1875 | Haywood Y. Riddle (D) | December 14, 1875 | Connecticut 3rd | Henry H. Starkweather (R) | Died January 28, 1876 | John T. Wait (R) | April 12, 1876 | Florida 2nd | Josiah T. Walls (R) | Lost contested election April 19, 1876 | Jesse J. Finley (D) | April 19, 1876 | Illinois 3rd | Charles B. Farwell (R) | Lost contested election May 6, 1876 | John V. Le Moyne (D) | May 6, 1876 | Louisiana 5th | Frank Morey (R) | Lost contested election June 8, 1876 | William B. Spencer (D) | June 8, 1876 | Idaho Territory At-large | Thomas W. Bennett) (I) | Lost contested election June 23, 1876 | Stephen S. Fenn (D) | June 23, 1876 | Kentucky 5th | Edward Y. Parsons (D) | Died July 18, 1876 | Henry Watterson (D) | August 12, 1876 | South Carolina 2nd | Edmund W. M. Mackey (IR) | Seat declared vacant July 19, 1876 | Charles W. Buttz (R) | November 7, 1876 | Massachusetts 4th | Rufus S. Frost (R) | Lost contested election July 28, 1876 | Josiah G. Abbott (D) | July 28, 1876 | Colorado Territory At-large | Thomas M. Patterson (D) | Colorado admitted to the Union August 1, 1876 | Statehood achieved | Statehood achieved | Indiana 3rd | Michael C. Kerr (D) | Died August 19, 1876 | Nathan T. Carr (D) | December 15, 1876