|- ! | Alexander H. Stephens | | Democratic | 1872 | Incumbent re-elected. | nowrap | |- ! | Hiram P. Bell | | Democratic | 1876 | | Lost re-nominationIndependent Democratic gain. | nowrap | |} Illinois |- ! | William Aldrich | | Republican | 1876 | Incumbent re-elected. | nowrap | |- ! | Carter Harrison Sr. | | Democratic | 1874 | | Incumbent retiredto run for Mayor.New member elected.Republican gain. | nowrap | |- ! | Lorenzo Brentano | | Republican | 1876 | | Lost re-nominationRepublican hold. | nowrap | |- ! | William Lathrop | | Republican | 1876 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | Horatio C. Burchard | | Republican | 1869 | | Lost re-nominationRepublican hold. | nowrap | |- ! | Thomas J. Henderson | | Republican | 1874 | Incumbent re-elected. | nowrap | |- ! | Philip C. Hayes | | Republican | 1876 | Incumbent re-elected. | nowrap | |- ! | Greenbury L. Fort | | Republican | 1872 | Incumbent re-elected. | nowrap | |- ! | Thomas A. Boyd | | Republican | 1876 | Incumbent re-elected. | nowrap | |- ! | Benjamin F. Marsh | | Republican | 1876 | Incumbent re-elected. | nowrap | |- ! | Robert M. Knapp | | Democratic | 1876 | | Lost re-nominationDemocratic hold. | nowrap | |- ! | William M. Springer | | Democratic | 1874 | Incumbent re-elected. | nowrap | |- ! | Thomas F. Tipton | | Republican | 1876 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | Joseph G. Cannon | | Republican | 1872 | Incumbent re-elected. | nowrap | |- ! | John R. Eden | | Democratic | 1872 | | Lost re-nominationGreenback gain. | nowrap | |- ! | William A. J. Sparks | | Democratic | 1874 | Incumbent re-elected. | nowrap | |- ! | William R. Morrison | | Democratic | 1862 | Incumbent re-elected. | nowrap | |- ! | William Hartzell | | Democratic | 1874 | | Incumbent retired.New member elected.Republican gain. | nowrap | |- ! | Richard W. Townshend | | Democratic | 1876 | Incumbent re-elected. | nowrap | |} Indiana |- ! | Benoni S. Fuller | | Democratic | 1874