July 6, 1852. | | David Meriwether (D) | Appointed July 6, 1852 |- | Indiana(3) | | James Whitcomb (D) | Died October 4, 1852.Successor appointed December 6, 1852. | | Charles W. Cathcart (D) | Appointed December 6, 1852 |- | Kentucky(3) | | David Meriwether (D) | Appointee was replaced by an elected successor.Successor elected September 1, 1852. | | Archibald Dixon (W) | Elected September 1, 1852 |- | Alabama(3) | | William R. King (D) | Resigned December 20, 1852, due to ill health, having recently being elected Vice President of the United StatesSuccessor appointed January 14, 1853, and elected December 12, 1853 thereafter to finish the term. | | Benjamin Fitzpatrick (D) | Appointed January 14, 1853 |- | New Jersey(1) | | Robert F. Stockton (D) | Resigned January 1, 1853, to become president of the Delaware and Raritan Canal Company.Successor was not elected until the next Congress. | Vacant | Not filled this term |- | Vermont(3) | | William Upham (W) | Died January 14, 1853.Successor appointed January 17, 1853, to continue the term. | | Samuel S. Phelps (W) | Appointed January 17, 1853 |- | Indiana(3) | | Charles W. Cathcart (D) | Appointee was replaced by an elected successor.Successor elected January 18, 1853. | | John Pettit (D) | Elected January 18, 1853 |} House of Representatives Replacements: 6 Democrats (D): 1 seat net loss Whigs (W): 1 seat net gain Deaths: 2 Resignations: 5 Total seats with changes: 7 |- | | | Charles Andrews (D) | Died April 30, 1852 | | Isaac Reed (W) | Seated June 25, 1852 |- | | | George W. Thompson (D) | Resigned July 30, 1852, after being appointed judge of the Circuit Court of Virginia | | Sherrard Clemens (D) | Seated December 6, 1852 |- | | | Humphrey Marshall (W) | Resigned August 4, 1852, after being appointed Minister to China | | William Preston (W) | Seated December 6, 1852 |- | | | Robert Rantoul Jr. (D) | Died August 7, 1852 | | Francis B. Fay (W) | Seated December 13, 1852 |- | | | Orin Fowler (W) | Died September 3, 1852 | | Edward P. Little (D) | Seated December 13, 1852 |- | | | Benjamin Thompson (W) | Died September 24, 1852 | | Lorenzo Sabine (W) |