wisconsin was admitted to the union on may 29, 1848. __toc__ == class 1 == {| class=wikitable style="text-align:center" |- valign=bottom ! # ! senator ! party ! years ! term ! electoral history |- ! rowspan=2 | 1 | rowspan=2 align=left nowrap | 75px henry dodge | rowspan=2  | democratic | rowspan=2 nowrap | june 8, 1848 âmarch 4, 1857 | 1 | elected in 1848 |- | 2 | re-elected in 1851retired |- ! rowspan=2 | 2 | rowspan=2 align=left nowrap | 75px james r. doolittle | rowspan=2  | republican | rowspan=2 nowrap | march 4, 1857 âmarch 4, 1869 | 3 | elected in 1857 |- | 4 | re-elected in 1863 |- ! 3 | align=left nowrap | 75px matthew h. carpenter |  | republican | nowrap | march 4, 1869 âmarch 4, 1875 | 5 | elected in 1869lost re-election |- ! 4 | align=left nowrap | 75px angus cameron |  | republican | nowrap | march 4, 1875 âmarch 4, 1881 | 6 | elected in 1875retired |- ! rowspan=2 | 5 | rowspan=2 align=left nowrap | 75px philetus sawyer | rowspan=2  | republican | rowspan=2 nowrap | march 4, 1881 âmarch 4, 1893 | 7 | elected in 1881 |- | 8 | re-elected in 1887retired |- ! 6 | align=left nowrap | 75px john l. mitchell |  | democratic | nowrap | march 4, 1893 âmarch 4, 1899 | 9 | elected in 1893retired |- ! 7 | align=left nowrap | 75px joseph v. quarles |  | republican | nowrap | march 4, 1899 âmarch 4, 1905 | 10 | elected in 1899retired |- | colspan=3 | vacant | nowrap | march 4, 1905 âjanuary 2, 1906 | 11 |- ! rowspan=4 | 8 | rowspan=4 align=left nowrap | 75px robert m. la follette, sr. | rowspan=4  | republican | rowspan=4 nowrap | j
Lists_of_United_States_Senators_by_state Lists_of_Wisconsin_politicians United_States_Senators_from_Wisconsin