| Class 1Class 1 U.S. senators belong to the electoral cycle that has recently been contested in 2006, 2012, 2018, and 2024. The next election will be in 2030. |
C |
Class 2Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2008, 2014, 2018 (special election), and 2020. The next election will be in 2026. |
| # |
Senator |
Party |
Dates in office |
Electoral history |
T |
T |
Electoral history |
Dates in office |
Party |
Senator |
# |
| 1 |
 Henry M. Rice |
Democratic |
May 11, 1858 – Mar 3, 1863 |
Elected in 1858.Retired. |
1 |
35th |
1 |
Elected in 1858.Lost re-election. |
May 11, 1858 – Mar 3, 1859 |
Democratic |
 James Shields |
1 |
| 36th |
2 |
Elected in 1858 or 1859.Lost re-election. |
Mar 4, 1859 – Mar 3, 1865 |
Republican |
 Morton S. Wilkinson |
2 |
| 37th |
| 2 |
 Alexander Ramsey |
Republican |
Mar 4, 1863 – Mar 3, 1875 |
Elected in 1863. |
2 |
38th |
| 39th |
3 |
Elected in 1865.Died. |
Mar 4, 1865 – Jul 14, 1870 |
Republican |
 Daniel S. Norton |
3 |
| 40th |
| Re-elected in 1869.[data missing]. |
3 |
41st |
| |
Jul 14, 1870 – Jul 15, 1870 |
Vacant |
| Appointed to continue Norton's term.Successor qualified. |
Jul 15, 1870 – Jan 22, 1871 |
Republican |
 William Windom |
4 |
| Elected in 1871 to finish Norton's term.Retired. |
Jan 23, 1871 – Mar 3, 1871 |
Republican |
 Ozora P. Stearns |
5 |
| 42nd |
4 |
Elected in 1871. |
Mar 4, 1871 – Mar 7, 1881 |
Republican |
 William Windom |
6 |
| 43rd |
| 3 |
 Samuel J. R. McMillan |
Republican |
Mar 4, 1875 – Mar 3, 1887 |
Elected in 1875. |
4 |
44th |
| 45th |
5 |
Re-elected in 1877.Resigned to become U.S. Secretary of the Treasury. |
| 46th |
| Re-elected in 1881.Retired. |
5 |
47th |
| |
Mar 7, 1881 – Mar 12, 1881 |
Vacant |
| Appointed to continue Windom's term.Successor qualified. |
Mar 12, 1881 – Oct 30, 1881 |
Republican |
 Alonzo J. Edgerton |
7 |
| |
Oct 30, 1881 – Nov 15, 1881 |
Vacant |
| Elected in 1881 to finish his own term.Lost election to full term. |
Nov 15, 1881 – Mar 3, 1883 |
Republican |
 William Windom |
8 |
| 48th |
6 |
Elected in 1883.Lost renomination. |
Mar 4, 1883 – Mar 3, 1889 |
Republican |
 Dwight M. Sabin |
9 |
| 49th |
| 4 |
 Cushman Davis |
Republican |
Mar 4, 1887 – Nov 27, 1900 |
Elected in 1886. |
6 |
50th |
| 51st |
7 |
Elected in 1888.Lost re-election. |
Mar 4, 1889 – Mar 3, 1895 |
Republican |
 William D. Washburn |
10 |
| 52nd |
| Re-elected in 1892. |
7 |
53rd |
| 54th |
8 |
Elected in 1895. |
Mar 4, 1895 – Apr 28, 1923 |
Republican |
 Knute Nelson |
11 |
| 55th |
| Re-elected in 1899.[1]Died. |
8 |
56th |
| Vacant |
Nov 27, 1900 – Dec 5, 1900 |
|
| 5 |
 Charles A. Towne |
Democratic |
Dec 5, 1900 – Jan 23, 1901 |
Appointed to continue Davis's term.Successor qualified. |
| 6 |
 Moses E. Clapp |
Republican |
Jan 23, 1901 – Mar 3, 1917 |
Elected in 1901 to finish Davis's term |
| 57th |
9 |
Re-elected in 1901. |
| 58th |
| Re-elected in 1905.[2] |
9 |
59th |
| 60th |
10 |
Re-elected in 1907. |
| 61st |
| Re-elected in 1911.Lost renomination. |
10 |
62nd |
| 63rd |
11 |
Re-elected in 1913. |
| 64th |
| 7 |
 Frank B. Kellogg |
Republican |
Mar 4, 1917 – Mar 3, 1923 |
Elected in 1916.Lost re-election. |
11 |
65th |
| 66th |
12 |
Re-elected in 1918.Died. |
| 67th |
| 8 |
 Henrik Shipstead |
Farmer– Labor |
Mar 4, 1923 – Jan 3, 1947 |
Elected in 1922. |
12 |
68th |
| |
Apr 28, 1923 – Jul 16, 1923 |
Vacant |
| Elected in 1923 to finish Nelson's term.Lost election to full term. |
Jul 16, 1923 – Mar 3, 1925 |
Farmer– Labor |
 Magnus Johnson |
12 |
| 69th |
13 |
Elected in 1924. |
Mar 4, 1925 – Dec 22, 1935 |
Republican |
 Thomas D. Schall |
13 |
| 70th |
| Re-elected in 1928. |
13 |
71st |
| 72nd |
14 |
Re-elected in 1930.Died. |
| 73rd |
| Re-elected in 1934. |
14 |
74th |
| |
Dec 22, 1935 – Dec 27, 1935 |
Vacant |
| Appointed to continue Schall's term.Retired when successor elected. |
Dec 27, 1935 – Nov 3, 1936 |
Farmer– Labor |
 Elmer A. Benson |
14 |
| Elected in 1936 to finish Schall's term.Retired. |
Nov 4, 1936 – Jan 3, 1937 |
Republican |
 Guy V. Howard |
15 |
| 75th |
15 |
Elected in 1936.Died. |
Jan 3, 1937 – Aug 31, 1940 |
Farmer– Labor |
 Ernest Lundeen |
16 |
| 76th |
| |
Aug 31, 1940 – Oct 14, 1940 |
Vacant |
| Appointed to continue Lundeen's term.Retired when successor elected, but elected to next full term. |
Oct 14, 1940 – Nov 17, 1942 |
Republican |
 Joseph H. Ball |
17 |
| Republican |
Re-elected in 1940.Lost renomination. |
15 |
77th |
| |
Nov 17, 1942 – Nov 18, 1942 |
Vacant |
| Elected in 1942 to finish Lundeen's term.Retired. |
Nov 18, 1942 – Jan 3, 1943 |
Republican |
 Arthur E. Nelson |
18 |
| 78th |
16 |
Elected in 1942.Lost re-election. |
Jan 3, 1943 – Jan 3, 1949 |
Republican |
 Joseph H. Ball |
19 |
| 79th |
| 9 |
 Edward J. Thye |
Republican |
Jan 3, 1947 – Jan 3, 1959 |
Elected in 1946. |
16 |
80th |
| 81st |
17 |
Elected in 1948. |
Jan 3, 1949 – Dec 29, 1964 |
DFL |
 Hubert Humphrey |
20 |
| 82nd |
| Re-elected in 1952.Lost re-election. |
17 |
83rd |
| 84th |
18 |
Re-elected in 1954. |
| 85th |
| 10 |
 Eugene McCarthy |
DFL |
Jan 3, 1959 – Jan 3, 1971 |
Elected in 1958. |
18 |
86th |
| 87th |
19 |
Re-elected in 1960.Resigned to become U.S. Vice President. |
| 88th |
| Appointed to finish Humphrey's term. |
Dec 30, 1964 – Dec 30, 1976 |
DFL |
 Walter Mondale |
21 |
| Re-elected in 1964.Retired. |
19 |
89th |
| 90th |
20 |
Elected to full term in 1966. |
| 91st |
| 11 |
 Hubert Humphrey |
DFL |
Jan 3, 1971 – Jan 13, 1978 |
Elected in 1970. |
20 |
92nd |
| 93rd |
21 |
Re-elected in 1972.Resigned to become U.S. Vice President. |
| 94th |
| Appointed to finish Mondale's term.Lost election to full term.Resigned early to give successor preferential seniority. |
Dec 30, 1976 – Dec 29, 1978 |
DFL |
 Wendell Anderson |
22 |
| Re-elected in 1976.Died. |
21 |
95th |
| Vacant |
Jan 13, 1978 – Jan 25, 1978 |
|
| 12 |
 Muriel Humphrey |
DFL |
Jan 25, 1978 – Nov 7, 1978 |
Appointed to continue her husband's term.Successor qualified. |
| 13 |
 David Durenberger |
Independent- Republican |
Nov 7, 1978 – Jan 3, 1995 |
Elected in 1978 to finish Hubert Humphrey's term. |
| Appointed early to finish Mondale's term, having already been elected to the next term. |
Dec 30, 1978 – Jan 3, 1991 |
Independent- Republican |
 Rudy Boschwitz |
23 |
| 96th |
22 |
Elected in 1978. |
| 97th |
| Re-elected in 1982. |
22 |
98th |
| 99th |
23 |
Re-elected in 1984.Lost re-election. |
| 100th |
| Re-elected in 1988.Retired. |
23 |
101st |
| 102nd |
24 |
Elected in 1990. |
Jan 3, 1991 – Oct 25, 2002 |
DFL |
 Paul Wellstone |
24 |
| 103rd |
| 14 |
 Rod Grams |
Independent- Republican |
Jan 3, 1995 – Jan 3, 2001 |
Elected in 1994.Lost re-election. |
24 |
104th |
| 105th |
25 |
Re-elected in 1996.Ran for re-election, but died. |
| 106th |
| 15 |
 Mark Dayton |
DFL |
Jan 3, 2001 – Jan 3, 2007 |
Elected in 2000.Retired. |
25 |
107th |
| |
Oct 25, 2002 – Nov 4, 2002 |
Vacant |
| Appointed to finish Wellstone's term. |
Nov 4, 2002 – Jan 3, 2003 |
Independence |
 Dean Barkley |
25 |
| 108th |
26 |
Elected in 2002.Term expired before election dispute.Lost re-election. |
Jan 3, 2003 – Jan 3, 2009 |
Republican |
 Norm Coleman |
26 |
| 109th |
| 16 |
 Amy Klobuchar |
DFL |
Jan 3, 2007 – present |
Elected in 2006. |
26 |
110th |
| 111th |
27 |
Election disputed. |
Jan 3, 2009 – Jul 7, 2009 |
Vacant |
| Elected in 2008, but was not seated until July 2009. |
Jul 7, 2009 – Jan 2, 2018 |
DFL |
 Al Franken |
27 |
| 112th |
| Re-elected in 2012. |
27 |
113th |
| 114th |
28 |
Re-elected in 2014.Resigned. |
| 115th |
| Appointed to continue Franken's term.Elected in 2018 to finish Franken's term. |
Jan 3, 2018 – present |
DFL |
 Tina Smith |
28 |
| Re-elected in 2018. |
28 |
116th |
| 117th |
29 |
Re-elected in 2020.Retiring at the end of term. |
| 118th |
| Re-elected in 2024. |
29 |
119th |
| 120th |
30 |
To be determined in the 2026 election. |
| 121st |
| To be determined in the 2030 election. |
30 |
122nd |
| # |
Senator |
Party |
Years in office |
Electoral history |
T |
C |
T |
Electoral history |
Years in office |
Party |
Senator |
# |
| Class 1 |
Class 2 |