Columns: District | Vacator | Reason for change | Successor | Date successor seated
Virginia 2nd | Vacant | Virginia re-admitted into the Union | James H. Platt, Jr. (R) | January 26, 1870 | Virginia 3rd | Vacant | Virginia re-admitted into the Union | Charles H. Porter (R) | January 26, 1870 | Virginia 4th | Vacant | Virginia re-admitted into the Union | George Booker (C) | January 26, 1870 | Virginia 5th | Vacant | Virginia re-admitted into the Union | Robert Ridgway (C) | January 27, 1870 | Virginia 6th | Vacant | Virginia re-admitted into the Union | William Milnes, Jr. (C) | January 27, 1870 | Virginia 8th | Vacant | Virginia re-admitted into the Union | James K. Gibson (C) | January 28, 1870 | Virginia 1st | Vacant | Virginia re-admitted into the Union | Richard S. Ayer (R) | January 31, 1870 | Virginia 7th | Vacant | Virginia re-admitted into the Union | Lewis McKenzie (C) | January 31, 1870 | Mississippi 1st | Vacant | Mississippi re-admitted into the Union | George E. Harris (R) | February 23, 1870 | Mississippi 2nd | Vacant | Mississippi re-admitted into the Union | Joseph L. Morphis (R) | February 23, 1870 | Mississippi 3rd | Vacant | Mississippi re-admitted into the Union | Henry W. Barry (R) | February 23, 1870 | Mississippi 5th | Vacant | Mississippi re-admitted into the Union | Legrand W. Perce (R) | February 23, 1870 | Texas 1st | Vacant | Texas re-admitted into the Union | George W. Whitmore (R) | March 30, 1870 | Texas 2nd | Vacant | Texas re-admitted into the Union | John C. Conner (D) | March 31, 1870 | Texas 3rd | Vacant | Texas re-admitted into the Union | William T. Clark (R) | March 31, 1870 | Texas 4th | Vacant | Texas re-admitted into the Union | Edward Degener (R) | March 31, 1870 | Georgia 6th | Vacant | Failure to elect | William P. Price (D) | December 22, 1870 | Pennsylvania 3rd | John Moffet (D) | Lost contested election April 9, 1869 | Leonard Myers (R) | April 9, 1869 | Wisconsin 2nd | Benjamin F. Hopkins (R) | Died January 1, 1870 | David Atwood (R) | February 23, 1870 | Ohio 10th | Truman H. Hoag (D) | Died February 5, 1870 | Erasmus D. Peck (R) | April 23, 1870 | New York 11th | George W. Greene (D) | Lost contested election February 17, 1870 | Charles Van Wyck (R) | February 17, 1870 | Kentucky 3rd | Jacob Golladay (D) | Resigned February 28, 1870 | Joseph H. Lewis (D) | May 10, 1870 | Pennsylvania 5th | John R. Reading (D) | Lost contested election April 13, 1870 | Caleb N. Taylor (R) | April 13, 1870 | North Carolina 2nd | David Heaton (R) | Died June 25, 1870 | Joseph Dixon (R) | December 5, 1870 | Iowa 2nd | William Smyth (R) | Died September 30, 1870 | William P. Wolf (R) | December 6, 1870 | Virginia 5th | Robert Ridgway (C) | Died October 16, 1870 | Richard T. W. Duke (C) | November 8, 1870