| | Democratic | 1874 | Incumbent re-elected. | nowrap | |- ! | Benjamin F. Martin | | Democratic | 1876 | | Incumbent lost renomination.New member elected.Democratic hold. | nowrap | |- ! | John E. Kenna | | Democratic | 1876 | Incumbent re-elected. | nowrap | |} Wisconsin Wisconsin elected eight members of congress on Election Day, November 2, 1880. |- ! | Charles G. Williams | | Republican | 1872 | Incumbent re-elected. | nowrap | |- ! | Lucien B. Caswell | | Republican | 1874 | Incumbent re-elected. | nowrap | |- ! | George C. Hazelton | | Republican | 1876 | Incumbent re-elected. | nowrap | |- ! | Peter V. Deuster | | Democratic | 1878 | Incumbent re-elected. | nowrap | |- ! | Edward S. Bragg | | Democratic | 1876 | Incumbent re-elected. | nowrap | |- ! | Gabriel Bouck | | Democratic | 1876 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | Herman L. Humphrey | | Republican | 1876 | Incumbent re-elected. | nowrap | |- ! | Thaddeus C. Pound | | Republican | 1876 | Incumbent re-elected. | nowrap | |} Non-voting delegates |- ! | John G. Campbell | | 1878 | | Incumbent retired.New member elected.Democratic hold. | nowrap | |- ! | Granville G. Bennett | | 1878 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | George Ainslie | | Democratic | 1878 | Incumbent re-elected. | nowrap | |- ! | Martin Maginnis | | Democratic | 1872 | Incumbent re-elected. | nowrap | |- ! | Mariano S. Otero | | 1878 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! rowspan=2 | | rowspan=2 | George Q. Cannon | rowspan=2 | rowspan=2 | 1872 | Incumbent re-elected. | rowspan=2 nowrap | |- | | Election successfully contested by Allen G. Campbell (D).Congress refused to seat representative-elect.Republican loss. |- ! | Thomas H. Brents | | 1878 | Incumbent re-elected. | nowrap | |- ! | Stephen W. Downey | | Republican | 1878 | | Incumbent retired.New member elected.Democratic gain. | nowrap | |} See also 1880 United States elections 1880 United States presidential election 1880–81 United States Senate elections 1881 United States House of Representatives elections 46th United States Congress 47th