| Incumbent re-elected. | nowrap | |} West Virginia |- ! | George W. Atkinson | | Republican | 1888 | | Incumbent retired.New member elected.Democratic gain. | nowrap | |- ! | William L. Wilson | | Democratic | 1882 | Incumbent re-elected. | nowrap | |- ! | John D. Alderson | | Democratic | 1888 | Incumbent re-elected. | nowrap | |- ! | Charles B. Smith | | Republican | 1888 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |} Wisconsin Wisconsin elected nine members of congress on Election Day, November 4, 1890. |- ! | Lucien B. Caswell | | Republican | 1884 | | Incumbent lost re-nomination.New member elected.Democratic gain. | nowrap | |- ! |Charles Barwig | | Democratic | 1888 | Incumbent re-elected. | nowrap | |- ! | Robert M. La Follette | | Republican | 1884 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | Isaac W. Van Schaick | | Republican | 1888 | | Incumbent declined re-nomination.New member elected.Democratic gain. | nowrap | |- ! | George H. Brickner | | Democratic | 1888 | Incumbent re-elected. | nowrap | |- ! | Charles B. Clark | | Republican | 1886 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | Ormsby B. Thomas | | Republican | 1884 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | Nils P. Haugen | | Republican | 1887 | Incumbent re-elected. | nowrap | |- ! | Myron H. McCord | | Republican | 1888 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |} Wyoming Republican Clarence D. Clark was elected over Democrat George T. Beck in a single ballot both to finish the current term (ending 1891) and the next term (beginning 1891). |- ! | colspan=3 | Vacant (new seat) | | New member elected.Republican gain. | nowrap | |} Non-voting delegates 51st Congress |- ! | colspan=3 | New seat | | New seat.New delegate elected to finish the current term.Republican gain. | nowrap | |} 52nd Congress |- ! |- ! |- ! | colspan=3 | New seat | | New seat.New delegate elected to the next term.Republican gain. | nowrap | |- ! | John T. Caine | | Populist | 1882 | Incumbent re-elected