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Current delegation

Wyoming was admitted to the Union on July 10, 1890, and elects United States senators to class 1 and class 2. Its current U.S. senators are Republicans John Barrasso (serving since 2007) and Cynthia Lummis (serving since 2021). 21 people have served as a United States senator from Wyoming. Francis E. Warren was Wyoming's longest serving senator (served 1890–1893; 1895–1929).

List of senators

Class 1

Class 1 U.S. senators belong to the electoral cycle that has recently been contested in 2000, 2006, 2012, and 2018. The next election will be in 2024.

C

Class 2

Class 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.

# Senator Party Dates in office Electoral history T T Electoral history Dates in office Party Senator #
Vacant Jul 10, 1890 –
Nov 18, 1890
After joining the Union, Wyoming did not elect its senators for four months. 1 51st 1 After joining the Union, Wyoming did not elect its senators for four months. Jul 10, 1890 –
Nov 15, 1890
Vacant
1
Francis E. Warren
Republican Nov 18, 1890 –
Mar 3, 1893
Elected in 1890.
Lost re-election.
Elected in 1890.
Lost re-election.
Nov 15, 1890 –
Mar 3, 1895
Republican
Joseph M. Carey
1
52nd
Vacant Mar 4, 1893 –
Jan 23, 1895
  2 53rd
2
Clarence D. Clark
Republican Jan 23, 1895 –
Mar 3, 1917
Elected to finish vacant term.
54th 2 Elected in 1895. Mar 4, 1895 –
Nov 24, 1929
Republican
Francis E. Warren
2
55th
Re-elected in 1899. 3 56th
57th 3 Re-elected in 1901.
58th
Re-elected in 1905. 4 59th
60th 4 Re-elected in 1907.
61st
Re-elected in 1911.
Lost re-election.
5 62nd
63rd 5 Re-elected in 1913.
64th
3
John B. Kendrick
Democratic Mar 4, 1917 –
Nov 3, 1933
Elected in 1916. 6 65th
66th 6 Re-elected in 1918.
67th
Re-elected in 1922. 7 68th
69th 7 Re-elected in 1924.
Died.
70th
Re-elected in 1928.
Died.
8 71st
  Nov 24, 1929 –
Dec 5, 1929
Vacant
Appointed to continue Warren's term.
Retired when successor elected.
Dec 5, 1929 –
Nov 20, 1930
Republican
Patrick J. Sullivan
3
  Nov 20, 1930 –
Dec 1, 1930
Vacant
Elected to finish Warren's term. Dec 1, 1930 –
Jan 3, 1937
Republican
Robert D. Carey
4
72nd 8 Elected to full term in 1930.
Lost re-election.
73rd
Vacant Nov 3, 1933 –
Dec 18, 1933
 
4
Joseph C. O'Mahoney
Democratic Dec 18, 1933 –
Jan 3, 1953
Appointed to continue Kendrick's term.
Elected in 1934 to finish Kendrick's term.
Elected in 1934. 9 74th
75th 9 Elected in 1936.
Lost re-election.
Jan 3, 1937 –
Jan 3, 1943
Democratic
Harry Schwartz
5
76th
Re-elected in 1940. 10 77th
78th 10 Elected in 1942.
Lost re-election.
Jan 3, 1943 –
Jan 3, 1949
Republican
Edward V. Robertson
6
79th
Re-elected in 1946.
Lost re-election.
11 80th
81st 11 Elected in 1948.
Died.
Jan 3, 1949 –
Jun 19, 1954
Democratic
Lester C. Hunt
7
82nd
5
Frank A. Barrett
Republican Jan 3, 1953 –
Jan 3, 1959
Elected in 1952.
Lost re-election.
12 83rd
  Jun 19, 1954 –
Jun 24, 1954
Vacant
Appointed to continue Hunt's term.
Retired when successor elected.
Jun 24, 1954 –
Nov 28, 1954
Republican
Edward D. Crippa
8
Elected in 1954 to finish Hunt's term. Nov 29, 1954 –
Jan 3, 1961
Democratic
Joseph C. O'Mahoney
9
84th 12 Elected to full term in 1954.
Retired.
85th
6
Gale W. McGee
Democratic Jan 3, 1959 –
Jan 3, 1977
Elected in 1958. 13 86th
87th 13 Appointed to begin the term of Keith Thomson (R), who was elected in 1960 but died before the Congress began.
Lost election to finish Thomson's term.
Jan 3, 1961 –
Nov 6, 1962
Democratic
Joe Hickey
10
Elected to finish Thomson's term.
Retired.
Nov 7, 1962 –
Jan 3, 1967
Republican
Milward Simpson
11
88th
Re-elected in 1964. 14 89th
90th 14 Elected in 1966. Jan 3, 1967 –
Dec 31, 1978
Republican
Clifford Hansen
12
91st
Re-elected in 1970.
Lost re-election.
15 92nd
93rd 15 Re-elected in 1972.
Retired and resigned early to give successor preferential seniority.
94th
7
Malcolm Wallop
Republican Jan 3, 1977 –
Jan 3, 1995
Elected in 1976. 16 95th
Appointed to finish Hansen's term, having already been elected to the next term. Jan 1, 1979 –
Jan 3, 1997
Republican
Alan Simpson
13
96th 16 Elected in 1978.
97th
Re-elected in 1982. 17 98th
99th 17 Re-elected in 1984.
100th
Re-elected in 1988.
Retired.
18 101st
102nd 18 Re-elected in 1990.
Retired.
103rd
8
Craig Thomas
Republican Jan 3, 1995 –
Jun 4, 2007
Elected in 1994. 19 104th
105th 19 Elected in 1996. Jan 3, 1997 –
Jan 3, 2021
Republican
Mike Enzi
14
106th
Re-elected in 2000. 20 107th
108th 20 Re-elected in 2002.
109th
Re-elected in 2006.
Died.
21 110th
Vacant Jun 4, 2007 –
Jun 22, 2007
9
John Barrasso
Republican Jun 22, 2007 –
present
Appointed to continue Thomas's term.
Elected in 2008 to finish Thomas's term.
111th 21 Re-elected in 2008.
112th
Re-elected in 2012. 22 113th
114th 22 Re-elected in 2014.
Retired.
115th
Re-elected in 2018. 23 116th
117th 23 Elected in 2020. Jan 3, 2021 –
present
Republican
Cynthia Lummis
15
118th
To be determined in the 2024 election. 24 119th
120th 24 To be determined in the 2026 election.
# Senator Party Years in office Electoral history T C T Electoral history Years in office Party Senator #
Class 1 Class 2

See also

References

External links