| Class 2Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2002, 2008, 2014, and 2020. The next election will be in 2026. |
C |
Class 3Class 3 U.S. senators belong to the electoral cycle that has recently been contested in 2004, 2010, 2016, and 2022. The next election will be in 2028. |
| # |
Senator |
Party |
Dates in office |
Electoral history |
T |
T |
Electoral history |
Dates in office |
Party |
Senator |
# |
| Vacant |
Jan 29, 1861 – Apr 4, 1861[a] |
|
1 |
36th |
— |
|
Jan 29, 1861 – Apr 4, 1861[a] |
Vacant |
| 37th |
1 |
| 1 |
 James H. Lane |
Republican[2] |
Apr 4, 1861 – Jul 11, 1866[2] |
Elected in 1861.[2] |
Elected in 1861. |
Apr 4, 1861 – Mar 3, 1873 |
Republican |
 Samuel C. Pomeroy |
1 |
| 38th |
| Re-elected in 1865.[2]Died.[2] |
2 |
39th |
| Vacant |
Jul 11, 1866 – Jul 25, 1866 |
|
| 2 |
 Edmund Ross |
Republican[3] |
Jul 25, 1866 – Mar 3, 1871[3] |
Appointed to continue Lane's term.[3]Elected in 1867 to finish Lane's term.Lost re-election.[3] |
| 40th |
2 |
Re-elected in 1867.Lost re-election. |
| 41st |
| 3 |
 Alexander Caldwell |
Republican[5] |
Mar 4, 1871 – Mar 24, 1873[5] |
Elected in 1871.[5]Resigned in 1873.[5] |
3 |
42nd |
| 43rd |
3 |
Elected in 1873. |
Mar 4, 1873 – Mar 3, 1891 |
Republican |
 John J. Ingalls |
2 |
| Vacant |
Mar 24, 1873 – Nov 24, 1873 |
|
| 4 |
 Robert Crozier |
Republican |
Nov 24, 1873 – Feb 2, 1874 |
Appointed to continue Caldwell's term.Retired when successor elected. |
| 5 |
 James Harvey |
Republican |
Feb 2, 1874 – Mar 3, 1877 |
Elected in 1874 to finish Caldwell's term.[data missing] |
| 44th |
| 6 |
 Preston B. Plumb |
Republican |
Mar 4, 1877 – Dec 20, 1891 |
Elected in 1877. |
4 |
45th |
| 46th |
4 |
Re-elected in 1879. |
| 47th |
| Re-elected in 1883.[6] |
5 |
48th |
| 49th |
5 |
Re-elected in 1885.Lost re-election. |
| 50th |
| Re-elected in 1888.Died. |
6 |
51st |
| 52nd |
6 |
Elected in 1891.Lost re-election. |
Mar 4, 1891 – Mar 3, 1897 |
Populist |
 William A. Peffer |
3 |
| Vacant |
Dec 20, 1891 – Jan 1, 1892 |
|
| 7 |
 Bishop Perkins |
Republican |
Jan 1, 1892 – Mar 4, 1893 |
Appointed to continue Plumb's term.Retired when successor qualified. |
| 8 |
 John Martin |
Democratic |
Mar 4, 1893 – Mar 3, 1895 |
Elected in 1893 to finish Plumb's term.[data missing] |
53rd |
| 9 |
 Lucien Baker |
Republican |
Mar 4, 1895 – Mar 3, 1901 |
Elected in 1895.Lost renomination. |
7 |
54th |
| 55th |
7 |
Elected in 1897.[7]Lost re-election. |
Mar 4, 1897 – Mar 3, 1903 |
Populist |
 William Harris |
4 |
| 56th |
| 10 |
 Joseph Burton |
Republican |
Mar 4, 1901 – Jun 4, 1906 |
Elected in 1901.[8]Resigned when convicted of bribery. |
8 |
57th |
| 58th |
8 |
Elected in 1903.[9]Lost renomination. |
Mar 4, 1903 – Mar 3, 1909 |
Republican |
 Chester I. Long |
5 |
| 59th |
| Vacant |
Jun 4, 1906 – Jun 11, 1906 |
|
| 11 |
 Alfred Benson |
Republican |
Jun 11, 1906 – Jan 22, 1907 |
Appointed to continue Burton's term.Lost election to finish Burton's term. |
| 12 |
 Charles Curtis |
Republican |
Jan 22, 1907 – Mar 3, 1913 |
Elected in 1907 to finish Burton's term. |
| Elected in 1907 to the next term.Lost renomination. |
9 |
60th |
| 61st |
9 |
Elected in 1909.Lost renomination. |
Mar 4, 1909 – Mar 3, 1915 |
Republican |
 Joseph Bristow |
6 |
| 62nd |
| 13 |
 William H. Thompson |
Democratic |
Mar 4, 1913 – Mar 3, 1919 |
Elected in 1913.Lost re-election. |
10 |
63rd |
| 64th |
10 |
Elected in 1914. |
Mar 4, 1915 – Mar 3, 1929 |
Republican |
 Charles Curtis |
7 |
| 65th |
| 14 |
 Arthur Capper |
Republican |
Mar 4, 1919 – Jan 3, 1949 |
Elected in 1918. |
11 |
66th |
| 67th |
11 |
Re-elected in 1920. |
| 68th |
| Re-elected in 1924. |
12 |
69th |
| 70th |
12 |
Re-elected in 1926.Resigned to become U.S. Vice President. |
| 71st |
|
Mar 3, 1929 – Apr 1, 1929 |
Vacant |
| Appointed to continue Curtis's term.Lost election to finish Curtis's term. |
Apr 1, 1929 – Nov 30, 1930 |
Republican |
 Henry J. Allen |
8 |
| Elected in 1930 to finish Curtis's term. |
Dec 1, 1930 – Jan 3, 1939 |
Democratic |
 George McGill |
9 |
| Re-elected in 1930. |
13 |
72nd |
| 73rd |
13 |
Re-elected in 1932. Lost re-election. |
| 74th |
| Re-elected in 1936. |
14 |
75th |
| 76th |
14 |
Elected in 1938. |
Jan 3, 1939 – Nov 8, 1949 |
Republican |
 Clyde M. Reed |
10 |
| 77th |
| Re-elected in 1942.Retired |
15 |
78th |
| 79th |
15 |
Re-elected in 1944.Died. |
| 80th |
| 15 |
 Andrew Schoeppel |
Republican |
Jan 3, 1949 – Jan 21, 1962 |
Elected in 1948. |
16 |
81st |
| |
Nov 8, 1949 – Dec 2, 1949 |
Vacant |
| Appointed to continue Reed's term.Retired when successor elected. |
Dec 2, 1949 – Nov 28, 1950 |
Republican |
 Harry Darby |
11 |
| Elected in 1950 to finish Reed's term. |
Nov 29, 1950 – Jan 3, 1969 |
Republican |
 Frank Carlson |
12 |
| 82nd |
16 |
Elected to full term in 1950. |
| 83rd |
| Re-elected in 1954. |
17 |
84th |
| 85th |
17 |
Re-elected in 1956. |
| 86th |
| Re-elected in 1960.Died. |
18 |
87th |
| Vacant |
Jan 21, 1962 – Jan 31, 1962 |
|
| 16 |
 James B. Pearson |
Republican |
Jan 31, 1962 – Dec 23, 1978 |
Appointed to continue Schoeppel's term.Elected in 1962 to finish Schoeppel's term. |
| 88th |
18 |
Re-elected in 1962.Retired |
| 89th |
| Re-elected in 1966. |
19 |
90th |
| 91st |
19 |
Elected in 1968. |
Jan 3, 1969 – June 11, 1996 |
Republican |
 Bob Dole |
13 |
| 92nd |
| Re-elected in 1972.Retired and resigned early to allow successor to gain seniority. |
20 |
93rd |
| 94th |
20 |
Re-elected in 1974. |
| 95th |
| 17 |
 Nancy Kassebaum |
Republican |
Dec 23, 1978 – Jan 3, 1997 |
Appointed to finish Pearson's term, having already been elected to the next term. |
| Elected in 1978. |
21 |
96th |
| 97th |
21 |
Re-elected in 1980. |
| 98th |
| Re-elected in 1984. |
22 |
99th |
| 100th |
22 |
Re-elected in 1986. |
| 101st |
| Re-elected in 1990.Retired. |
23 |
102nd |
| 103rd |
23 |
Re-elected in 1992.Resigned to campaign for U.S. President. |
| 104th |
| Appointed to continue Dole's term.Lost nomination to finish Dole's term. |
Jun 11, 1996 – Nov 7, 1996 |
Republican |
 Sheila Frahm |
14 |
| Elected in 1996 to finish Dole's term |
Nov 7, 1996 – Jan 3, 2011 |
Republican |
 Sam Brownback |
15 |
| 18 |
 Pat Roberts |
Republican |
Jan 3, 1997 – Jan 3, 2021 |
Elected in 1996. |
24 |
105th |
| 106th |
24 |
Re-elected in 1998. |
| 107th |
| Re-elected in 2002. |
25 |
108th |
| 109th |
25 |
Re-elected in 2004.Retired to run for Governor of Kansas. |
| 110th |
| Re-elected in 2008. |
26 |
111th |
| 112th |
26 |
Elected in 2010. |
Jan 3, 2011 – present |
Republican |
 Jerry Moran |
16 |
| 113th |
| Re-elected in 2014.Retired. |
27 |
114th |
| 115th |
27 |
Re-elected in 2016. |
| 116th |
| 19 |
 Roger Marshall |
Republican |
Jan 3, 2021 – present |
Elected in 2020. |
28 |
117th |
| 118th |
28 |
Re-elected in 2022. |
| 119th |
| To be determined in the 2026 election. |
29 |
120th |
| 121st |
29 |
To be determined in the 2028 election. |
| # |
Senator |
Party |
Years in office |
Electoral history |
T |
C |
T |
Electoral history |
Years in office |
Party |
Senator |
# |
| Class 2 |
Class 3 |