Missouri was admitted to the Union on August 10, 1821. Its current Senators are Democrat Claire McCaskill and Republican Roy Blunt.
| # | Senator | Party | Years | Congress | Term | Electoral history |
|---|---|---|---|---|---|---|
| 1 | Democratic- Republican |
August 10, 1821 – March 4, 1851 |
17 | 1 | Elected in 1821 | |
| Jacksonian Democratic |
18 | |||||
| 19 | ||||||
| Jacksonian | 20 | 2 | Re-elected in 1827 | |||
| 21 | ||||||
| 22 | ||||||
| 23 | 3 | Re-elected in 1833 | ||||
| 24 | ||||||
| 25 | ||||||
| 26 | 4 | Re-elected in 1839 | ||||
| 27 | ||||||
| 28 | ||||||
| 29 | 5 | Re-elected in 1845 Lost re-election |
||||
| 30 | ||||||
| 31 | ||||||
| 2 | Whig | March 4, 1851 – March 4, 1857 |
32 | 6 | Elected in 1851 Retired |
|
| 33 | ||||||
| 34 | ||||||
| 3 | Democratic | March 4, 1857 – January 10, 1862 |
35 | 7 | Elected in 1857 Expelled |
|
| 36 | ||||||
| 37 | ||||||
| Vacant | January 10, 1862 – January 17, 1862 |
|||||
| 4 | Unconditional Unionist |
January 17, 1862 – March 4, 1869 |
Appointed to finish Polk's term | |||
| 38 | 8 | Elected to full term in 1863 Retired |
||||
| 39 | ||||||
| 40 | ||||||
| 5 | Republican | March 4, 1869 – March 4, 1875 |
41 | 9 | Elected in 1869 Retired |
|
| 42 | ||||||
| 43 | ||||||
| 6 | Democratic | March 4, 1875 – March 4, 1905 |
44 | 10 | Elected in 1875 | |
| 45 | ||||||
| 46 | ||||||
| 47 | 11 | Re-elected in 1881 | ||||
| 48 | ||||||
| 49 | ||||||
| 50 | 12 | Re-elected in 1887 | ||||
| 51 | ||||||
| 52 | ||||||
| 53 | 13 | Re-elected in 1893 | ||||
| 54 | ||||||
| 55 | ||||||
| 56 | 14 | Re-elected in 1899 Retired |
||||
| 57 | ||||||
| 58 | ||||||
| Vacant | March 4, 1905 – March 18, 1905 |
59 |
15 | |||
| 7 | Republican | March 18, 1905 – March 4, 1911 |
Elected late in 1905 Retired |
|||
| 60 | ||||||
| 61 | ||||||
| 8 | Democratic | March 4, 1911 – March 4, 1929 |
62 | 16 | Elected in 1910 | |
| 63 | ||||||
| 64 | ||||||
| 65 | 17 | Re-elected in 1916 | ||||
| 66 | ||||||
| 67 | ||||||
| 68 | 18 | Re-elected in 1922 Retired |
||||
| 69 | ||||||
| 70 | ||||||
| 9 | Republican | March 4, 1929 – January 3, 1935 |
71 | 19 | Elected in 1928 Lost re-election |
|
| 72 | ||||||
| 73 | ||||||
| 10 | Democratic | January 3, 1935 – January 17, 1945 |
74 | 20 | Elected in 1934 | |
| 75 | ||||||
| 76 | ||||||
| 77 | 21 | Re-elected in 1940 Resigned to become U.S. Vice President |
||||
| 78 | ||||||
| 79 | ||||||
| 11 | Democratic | January 18, 1945 – January 3, 1947 |
Appointed to finish Truman's term Lost election to full term |
|||
| 12 | Republican | January 3, 1947 – January 3, 1953 |
80 | 22 | Elected in 1946 Lost re-election |
|
| 81 | ||||||
| 82 | ||||||
| 13 | Democratic | January 3, 1953 – December 27, 1976 |
83 | 23 | Elected in 1952 | |
| 84 | ||||||
| 85 | ||||||
| 86 | 24 | Elected in 1958 | ||||
| 87 | ||||||
| 88 | ||||||
| 89 | 25 | Elected in 1964 | ||||
| 90 | ||||||
| 91 | ||||||
| 92 | 26 | Elected in 1970 Retired, then resigned early to give successor preferential seniority |
||||
| 93 | ||||||
| 94 | ||||||
| 14 | Republican | December 27, 1976 – January 3, 1995 |
Appointed early to finish Symington's term, having already been elected to the next term |
|||
| 95 | 27 | Elected in 1976 | ||||
| 96 | ||||||
| 97 | ||||||
| 98 | 28 | Re-elected in 1982 Retired |
||||
| 99 | ||||||
| 100 | ||||||
| 101 | 29 | Re-elected in 1988 Retired |
||||
| 102 | ||||||
| 103 | ||||||
| 15 | Republican | January 3, 1995 – January 3, 2001 |
104 | 30 | Elected in 1994 Lost re-election |
|
| 105 | ||||||
| 106 | ||||||
| 16 | Democratic | January 3, 2001 – November 25, 2002 |
107 | 31 | Appointed to begin Senator-elect Mel Carnahan's term Lost election to finish Senator-elect Carnahan's term |
|
| 17 | Republican | November 25, 2002 – January 3, 2007 |
107 (Continued) |
Elected to finish Senator-elect Carnahan's term Lost re-election |
||
| 108 | ||||||
| 109 | ||||||
| 18 | Democratic | January 3, 2007 – Present |
110 | 32 | Elected in 2006 | |
| 111 | ||||||
| 112 | ||||||
| 113 | 33 | Re-elected in 2012 | ||||
| 114 | ||||||
| 115 | ||||||
| # | Senator | Party | Years | Congress | Term | Electoral history |
| # | Senator | Party | Years | Congress | Term | Electoral history |
|---|---|---|---|---|---|---|
| 1 | Democratic- Republican |
August 10, 1821 – March 4, 1831 |
17 | 1 | Elected in 1821 | |
| Adams Republican |
18 | |||||
| Adams | 19 | 2 | Re-elected in 1825 Lost re-election |
|||
| 20 | ||||||
| Anti- Jacksonian |
21 | |||||
| 2 | Alexander Buckner | Democratic | March 4, 1831 – June 6, 1833 |
22 | 3 | Elected in 1831 Died |
| 23 | ||||||
| Vacant | June 6, 1833 – October 25, 1833 |
|||||
| 3 | Democratic | October 25, 1833 – October 3, 1843 |
Appointed to continue Buckner's term Elected to finish Buckner's term |
|||
| 24 | ||||||
| 25 | 4 | Elected to full term in 1836 | ||||
| 26 | ||||||
| 27 | ||||||
| 28 | 5 | Re-elected in 1842 Died |
||||
| Vacant | October 3, 1843 – October 14, 1843 |
|||||
| 4 | Democratic | October 14, 1843 – March 4, 1855 |
Appointed to continue Linn's term Elected to finish Linn's term |
|||
| 29 | ||||||
| 30 | ||||||
| 31 | 6 | Elected to full term in 1848 Lost re-election |
||||
| 32 | ||||||
| 33 | ||||||
| Vacant | March 4, 1855 – January 12, 1857 |
34 | 7 | |||
| 5 | Democratic | January 12, 1857 – March 4, 1861 |
34 | Elected late in 1857 [Data unknown/missing. You can help!] |
||
| 35 | ||||||
| 36 | ||||||
| Vacant | March 4, 1861 – March 17, 1861 |
37 | 8 | |||
| 6 | Democratic | March 17, 1861 – January 10, 1862 |
Elected late in 1861 Expelled for disloyalty to the government |
|||
| Vacant | January 10, 1862 – January 17, 1862 |
|||||
| 7 | Republican | January 17, 1862 – November 13, 1863 |
Appointed to continue Johnson's term Successor qualified |
|||
| 38 | ||||||
| 8 | Unconditional Unionist | November 13, 1863 – March 4, 1867 |
Elected to finish Johnson's term Retired due to ill health |
|||
| 39 | ||||||
| 9 | Republican | March 4, 1867 – December 19, 1870 |
40 | 9 | Elected in 1867 Resigned to accept a judicial position |
|
| 41 | ||||||
| 10 | Republican | December 19, 1870 – January 20, 1871 |
Appointed to continue Drake's term Retired when successor elected |
|||
| 11 | Democratic | January 20, 1871 – March 4, 1873 |
Elected to finish Drake's term Lost election to full term |
|||
| 42 | ||||||
| 12 | Democratic | March 4, 1873 – September 20, 1877 |
43 | 10 | Elected in 1872 Died |
|
| 44 | ||||||
| 45 | ||||||
| Vacant | September 20, 1877 – September 29, 1877 |
|||||
| 13 | Democratic | September 29, 1877 – January 26, 1879 |
Appointed to continue Bogy's term Retired |
|||
| 14 | Democratic | January 27, 1879 – March 4, 1879 |
Elected to finish Bogy's term Retired |
|||
| 15 | Democratic | March 4, 1879 – March 4, 1903 |
46 | 11 | Elected in 1879 | |
| 47 | ||||||
| 48 | ||||||
| 49 | 12 | Re-elected in 1885 | ||||
| 50 | ||||||
| 51 | ||||||
| 52 | 13 | Re-elected in 1891 | ||||
| 53 | ||||||
| 54 | ||||||
| 55 | 14 | Re-elected in 1897 Retired |
||||
| 56 | ||||||
| 57 | ||||||
| 16 | Democratic | March 4, 1903 – April 14, 1918 |
58 | 15 | Elected in 1902 | |
| 59 | ||||||
| 60 | ||||||
| 61 | 16 | Re-elected in 1908 | ||||
| 62 | ||||||
| 63 | ||||||
| 64 | 17 | Re-elected in 1914 Died |
||||
| 65 | ||||||
| Vacant | April 14, 1918 – April 30, 1918 |
|||||
| 17 | Democratic | April 30, 1918 – November 5, 1918 |
Appointed to continue Stone's term Lost election to finish Stone's term |
|||
| 18 | Republican | November 6, 1918 – May 16, 1925 |
Elected to finish Stone's term | |||
| 66 | ||||||
| 67 | 18 | Elected to full term in 1920 Died |
||||
| 68 | ||||||
| 69 | ||||||
| Vacant | May 16, 1925 – May 25, 1925 |
|||||
| 19 | George H. Williams | Republican | May 25, 1925 – December 5, 1926 |
Appointed to continue Spencer's term Lost election to finish Spencer's term |
||
| 20 | Democratic | December 6, 1926 – February 3, 1933 |
Elected to finish Spencer's term | |||
| 70 | 19 | Elected to full term in 1926 Retired, then resigned early |
||||
| 71 | ||||||
| 72 | ||||||
| 21 | Democratic | February 3, 1933 – January 3, 1945 |
Appointed to finish Hawes's term, having already been elected to the next term |
|||
| 73 | 20 | Elected to full term in 1932 | ||||
| 74 | ||||||
| 75 | ||||||
| 76 | 21 | Re-elected in 1938 Lost renomination |
||||
| 77 | ||||||
| 78 | ||||||
| 22 | Republican | January 3, 1945 – January 3, 1951 |
79 | 22 | Elected in 1944 Lost re-election |
|
| 80 | ||||||
| 81 | ||||||
| 23 | Democratic | January 3, 1951 – September 13, 1960 |
82 | 23 | Elected in 1950 | |
| 83 | ||||||
| 84 | ||||||
| 85 | 24 | Re-elected in 1956 Died |
||||
| 86 | ||||||
| Vacant | September 13, 1960 – September 23, 1960 |
|||||
| 24 | Democratic | September 23, 1960 – December 27, 1968 |
Appointed to finish Henning's term | |||
| 87 | ||||||
| 88 | 25 | Elected to full term in 1962 Lost renomination, and resigned early. |
||||
| 89 | ||||||
| 90 | ||||||
| 25 | Democratic | December 28, 1968 – January 3, 1987 |
Appointed to finish Long's term, having been elected to next term. |
|||
| 91 | 26 | Elected in 1968 | ||||
| 92 | ||||||
| 93 | ||||||
| 94 | 27 | Re-elected in 1974 | ||||
| 95 | ||||||
| 96 | ||||||
| 97 | 28 | Re-elected in 1980 Retired |
||||
| 97 | ||||||
| 99 | ||||||
| 26 | Republican | January 3, 1987 – January 3, 2011 |
100 | 29 | Elected in 1986 | |
| 101 | ||||||
| 102 | ||||||
| 103 | 30 | Re-elected in 1992 | ||||
| 104 | ||||||
| 105 | ||||||
| 106 | 31 | Re-elected in 1998 | ||||
| 107 | ||||||
| 108 | ||||||
| 109 | 32 | Re-elected in 2004 Retired |
||||
| 110 | ||||||
| 111 | ||||||
| 27 | Republican | January 3, 2011 – Present |
112 | 33 | Elected in 2010 | |
| 113 | ||||||
| 114 | ||||||
| # | Senator | Party | Years | Congress | Term | Electoral history |
|
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