Hiram Barber Jr. | | 1878 | | Incumbent lost renomination.New member elected.Republican hold. | nowrap | |- ! | John C. Sherwin | | 1878 | Incumbent re-elected. | nowrap | |- ! | Robert M. A. Hawk | | 1878 | Incumbent re-elected. | nowrap | |- ! | Thomas J. Henderson | | 1874 | Incumbent re-elected. | nowrap | |- ! | Philip C. Hayes | | 1876 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | Greenbury L. Fort | | 1872 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | Thomas A. Boyd | | 1876 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | Benjamin F. Marsh | | 1876 | Incumbent re-elected. | nowrap | |- ! | James W. Singleton | | 1878 | Incumbent re-elected. | nowrap | |- ! | William M. Springer | | 1874 | Incumbent re-elected. | nowrap | |- ! | Adlai Stevenson I | | 1878 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | Joseph G. Cannon | | 1872 | Incumbent re-elected. | nowrap | |- ! | Albert P. Forsythe | | Greenback | 1878 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | William A. J. Sparks | | 1874 | Incumbent re-elected. | nowrap | |- ! | William R. Morrison | | 1872 | Incumbent re-elected. | nowrap | |- ! | John R. Thomas | | 1878 | Incumbent re-elected. | nowrap | |- ! | Richard W. Townshend | | 1876 | Incumbent re-elected. | nowrap | |} Indiana |- ! | William Heilman | | 1878 | Incumbent re-elected. | nowrap | |- ! | Thomas R. Cobb | | 1876 | Incumbent re-elected. | nowrap | |- ! | George A. Bicknell | | 1876 | | Incumbent lost renomination.New member elected.Democratic hold. | nowrap | |- ! | Jeptha D. New | | 1878 | | Incumbent retired.New member elected.Democratic hold. | nowrap | |- ! | colspan=3 | None | | New seat.New member elected.Democratic gain. | nowrap | |- ! | Thomas M. Browne | | 1876 | Incumbent re-elected. | nowrap | |- ! | Gilbert De La Matyr | | Greenback | 1878 | | Incumbent lost