List of senators
| Session | Senator | Party | Term start | Term end | Home | Location |
|---|---|---|---|---|---|---|
| 1st | Charles H. Lindsley [1] | Rep | December 2, 1857 | December 6, 1859 | Rochester | Olmstead |
| Emerson Hodges [2] | Non | January 7, 1861 | Eyota | |||
| 2nd | Marion | |||||
| 3rd | Michael Cook [3] | Rep | January 8, 1861 | January 5, 1863 | Faribault | Rice |
| 4th | ||||||
| 5th |  John McDonogh Berry [4] | Non | January 6, 1863 | January 2, 1865 | ||
| 6th | ||||||
| 7th | Levi Nutting [5] | January 3, 1865 | January 1866 | |||
| 8th |  Gordon E. Cole [6] | Rep | January 1866 | January 7, 1867 | ||
| 9th | Oscar F. Perkins [7] | January 8, 1867 | January 4, 1869 | |||
| 10th | ||||||
| 11th | George Washington Batchelder [8] | January 5, 1869 | January 2, 1871 | |||
| 12th | ||||||
| 13th | John Higley Case [9] | Non | January 3, 1871 | January 1, 1872 | ||
| 14th | William H. Stevens [10] | Rep | January 2, 1872 | January 5, 1874 | Winona | Winona |
| 15th | ||||||
| 16th |  Charles Henry Berry [11] | Non | January 6, 1874 | January 3, 1876 | ||
| 17th | ||||||
| 18th |  William Hall Yale [12] | Rep | January 4, 1876 | January 7, 1878 | ||
| 19th | ||||||
| 20th | W.S. Drew [13] | Dem | January 8, 1878 | January 6, 1879 | ||
| 21st | Cornelius F. Buck [14] | January 7, 1879 | January 1, 1883 | Olmsted Winona | ||
| 22nd | ||||||
| 23rd | George Knudson [15] | Non | January 2, 1883 | January 3, 1887 | St. James | Cottonwood |
| 24th | ||||||
| 25th | John Clark [16] | Rep | January 4, 1887 | January 5, 1891 | Windom | |
| 26th | ||||||
| 27th | Eric Sevatson [17] | Alliance | January 6, 1891 | January 2, 1899 | Cottonwood | |
| 28th | Christiana | |||||
| 29th | Populist | |||||
| 30th | ||||||
| 31st | William Gausewitz [18] | Dem | January 3, 1899 | January 5, 1903 | Owatanna | Steele |
| 32nd | ||||||
| 33rd | George W. Peachy [19] | Rep | January 6, 1903 | January 7, 1907 | ||
| 34th | ||||||
| 35th | Thomas E. Cashman [20] | Dem | January 8, 1907 | January 4, 1915 | ||
| 36th | ||||||
| 37th | ||||||
| 38th | ||||||
| 39th | John Wesley Andrews [21] | Con | January 5, 1915 | January 6, 1919 | Mankato | Blue Earth |
| 40th | ||||||
| 41st | Gustaf Widell [22] | Non | January 7, 1919 | January 1, 1923 | ||
| 42nd | ||||||
| 43rd | W.A. Just [23] | Dem | January 2, 1923 | January 3, 1927 | Rapidan | |
| 44th | ||||||
| 45th | Gustaf Widell | Non | January 4, 1927 | January 7, 1935 | Mankato | |
| 46th | ||||||
| 47th | ||||||
| 48th | ||||||
| 49th | Val Imm [24] | Con | January 8, 1935 | January 7, 1963 | ||
| 50th | ||||||
| 51st | ||||||
| 52nd | ||||||
| 53rd | ||||||
| 54th | ||||||
| 55th | ||||||
| 56th | ||||||
| 57th | ||||||
| 58th | ||||||
| 59th | ||||||
| 60th | ||||||
| 61st | ||||||
| 62nd | ||||||
| 63rd | Harold S. Nelson [25] | January 8, 1963 | January 2, 1967 | Owatanna | Steele Waseca | |
| 64th | ||||||
| 65th | Robert J. Brown [26] | January 3, 1967 | January 1, 1973 | Stillwater | Washington | |
| 66th | ||||||
| 67th | ||||||
| 68th | Ralph Doty [27] | DFL | January 2, 1973 | January 3, 1977 | Duluth | St. Louis |
| 69th | ||||||
| 70th | Jim Ulland [28] | Ind. Rep | January 4, 1977 | January 9, 1985 [29] | ||
| 71st | ||||||
| 72nd | ||||||
| 73rd | Carlton St. Louis | |||||
| 74th | ||||||
| Vacant | January 9, 1985 | February 11, 1985 | ||||
| 75th | Jim Gustafson [30] | Ind. Rep | February 11, 1985 | May 20, 1992 [31] | ||
| 76th | ||||||
| 77th | ||||||
| Vacant | May 20, 1992 | January 5, 1993 | ||||
| 78th | Florian Chmielewski [32] | DFL | January 5, 1993 | January 6, 1997 | Sturgeon Lake | Aitkin Carlton St. Louis |
| 79th | ||||||
| 80th |  Becky Lourey [33] | January 7, 1997 | January 2, 2007 | Kerrick | ||
| 81st | ||||||
| 82nd | ||||||
| 83rd | Carlton Pine St. Louis | |||||
| 84th | ||||||
| 85th |  Tony Lourey [34] | January 3, 2007 | January 7, 2013 | |||
| 86th | ||||||
| 87th | ||||||
| 88th | Bill Ingebrigtsen [35] | Rep | January 8, 2013 | Incumbent | Alexandria | Douglas |
| 89th | ||||||
| 90th |
