John H. Starin | | Republican | 1876 | Incumbent re-elected. | nowrap | |- ! | Solomon Bundy | | Republican | 1876 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | George A. Bagley | | Republican | 1874 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | William J. Bacon | | Republican | 1876 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | William H. Baker | | Republican | 1874 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | Frank Hiscock | | Republican | 1876 | Incumbent re-elected. | nowrap | |- ! | John H. Camp | | Republican | 1876 | Incumbent re-elected. | nowrap | |- ! | Elbridge G. Lapham | | Republican | 1874 | Incumbent re-elected. | nowrap | |- ! | Jeremiah W. Dwight | | Republican | 1876 | Incumbent re-elected. | nowrap | |- ! | John N. Hungerford | | Republican | 1876 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | Elizur K. Hart | | Democratic | 1876 | | Incumbent retired.New member elected.Republican gain. | nowrap | |- ! | Charles B. Benedict | | Democratic | 1876 | | Incumbent retired.New member elected.Republican gain. | nowrap | |- ! | Daniel N. Lockwood | | Democratic | 1876 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | George W. Patterson | | Republican | 1876 | | Incumbent retired.New member elected.Republican hold. | nowrap | |} Pennsylvania South Carolina South Carolina was rampant with voter fraud, particularly through the use of tissue ballots, thin ballots hidden in the normal ballot, typically 10 to 20 at a time. The almost statewide exclusion of Republicans as Commissioners of Elections, and the ensuing appointment of nearly all Democratic Managers of Elections, allowed to Democratic Managers to perpetrate this scheme. When the votes were counted and more votes than voters were found, the Managers removed and destroyed the Republican ballots resulting in the complete takeover of the state. |- ! | Joseph Rainey | | Republican | 1870 (special) | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | Richard H. Cain | | Republican | 1876 | | Incumbent lost re-election.New member elected.Democratic gain.