List of United States Senators from Wyoming

This page displays current and historical information pertaining to the U.S. Senate delegation from Wyoming.

Current members

The current members of the U.S. Senate from Wyoming are:

Office	Name	Party	Date assumed office	Date term ends
U.S. Senate Wyoming	John Barrasso	Republican	June 25, 2007	January 3, 2031
U.S. Senate Wyoming	Cynthia Lummis	Republican	January 3, 2021	January 3, 2027

Election history

U.S. Senate Delegations by State
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For more information on the different classes of U.S. Senators, please see: Classes of United States Senators

Class I

Senators in Class I were elected to office in the November 2024 general election, unless they took their seat through appointment or special election. Class I terms run from the beginning of the 119th Congress on January 3, 2025, to the end of the 121st Congress on January 3, 2031.

2024

See also: United States Senate election in Wyoming, 2024

General election

General election for U.S. Senate Wyoming

Incumbent John Barrasso defeated Scott Morrow in the general election for U.S. Senate Wyoming on November 5, 2024.

		Candidate	%	Votes
✔		John Barrasso (R)	75.1	198,418
		Scott Morrow (D)	24.1	63,727
		Other/Write-in votes	0.8	2,017

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	Incumbents are bolded and underlined. The results have been certified. Source	Total votes: 264,162
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Democratic primary election

Democratic primary for U.S. Senate Wyoming

Scott Morrow advanced from the Democratic primary for U.S. Senate Wyoming on August 20, 2024.

		Candidate	%	Votes
✔		Scott Morrow	98.3	10,088
		Other/Write-in votes	1.7	178

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	There were no incumbents in this race. The results have been certified. Source	Total votes: 10,266
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Republican primary election

Republican primary for U.S. Senate Wyoming

Incumbent John Barrasso defeated Reid Rasner and John Holtz in the Republican primary for U.S. Senate Wyoming on August 20, 2024.

		Candidate	%	Votes
✔		John Barrasso	66.8	70,494
		Reid Rasner	24.1	25,427
		John Holtz	7.5	7,868
		Other/Write-in votes	1.7	1,756

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	Incumbents are bolded and underlined. The results have been certified. Source	Total votes: 105,545
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General election

General election for U.S. Senate Wyoming

Incumbent John Barrasso defeated Gary Trauner and Joe Porambo in the general election for U.S. Senate Wyoming on November 6, 2018.

		Candidate	%	Votes
✔		John Barrasso (R)	67.0	136,210
		Gary Trauner (D)	30.1	61,227
		Joe Porambo (L)	2.8	5,658
		Other/Write-in votes	0.2	325

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	Incumbents are bolded and underlined. The results have been certified. Source	Total votes: 203,420
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2012

U.S. Senate, Wyoming General Election, 2012

Party		Candidate	Vote %	Votes
	Democratic	Tim Chesnut	21.7%	53,019
	Republican	John Barrasso Incumbent	75.8%	185,250
	Country	Joel Otto	2.5%	6,176
Total Votes				244,445
Source: Wyoming Secretary of State, "Official Election Results, 2012 General Election"

2008

Barrasso won the 2008 special election to the U.S. Senate, defeating Nick Carter (D).

U.S. Senate Special Election, Wyoming, 2008
Party		Candidate	Vote %	Votes
	Republican	John Barrasso Incumbent	73.4%	183,063
	Democratic	Nick Carter	26.6%	66,202
Total Votes				249,265

2006

On November 7, 2006, Craig Thomas won re-election to the U.S. Senate, defeating Dale Groutage in the general election.

U.S. Senate, Wyoming, 2006
Party		Candidate	Vote %	Votes
	Republican	Craig Thomas Incumbent	68.9%	135,174
	Democratic	Dale Groutage	29.4%	57,671
	None	Under Votes	1.5%	3,019
	None	Over Votes	0%	60
	None	Write-In	0.1%	291
Total Votes				196,215

2000

On November 7, 2000, Craig Thomas won re-election to the U.S. Senate, defeating Mel Logan and Margaret Dawson in the general election.

U.S. Senate, Wyoming, 2000
Party		Candidate	Vote %	Votes
	Republican	Craig Thomas Incumbent	73.8%	157,622
	Democratic	Mel Logan	22%	47,087
	Libertarian	Margaret Dawson	4.2%	8,950
Total Votes				213,659

Class II

Senators in Class II were elected to office in the November 2020 general election, unless they took their seat through appointment or special election. Class II terms run from the beginning of the 117th Congress on January 3, 2021, to the end of the 119th Congress on January 3, 2027.

General election

General election for U.S. Senate Wyoming

Cynthia Lummis defeated Merav Ben-David in the general election for U.S. Senate Wyoming on November 3, 2020.

		Candidate	%	Votes
✔		Cynthia Lummis (R)	72.8	198,100
		Merav Ben-David (D)	26.8	72,766
		Other/Write-in votes	0.4	1,071

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	There were no incumbents in this race. The results have been certified. Source	Total votes: 271,937
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Democratic primary election

Democratic primary for U.S. Senate Wyoming

The following candidates ran in the Democratic primary for U.S. Senate Wyoming on August 18, 2020.

		Candidate	%	Votes
✔		Merav Ben-David	40.3	9,584
		Yana Ludwig	20.7	4,931
		Nathan Wendt	17.7	4,212
		Ken Casner	9.0	2,139
		Rex Wilde	7.9	1,888
		James Kirk DeBrine	3.6	865
		Other/Write-in votes	0.7	173

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	There were no incumbents in this race. The results have been certified. Source	Total votes: 23,792
= candidate completed the Ballotpedia Candidate Connection survey.
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Withdrawn or disqualified candidates

• Chuck Jagoda (D)

Republican primary election

Republican primary for U.S. Senate Wyoming

The following candidates ran in the Republican primary for U.S. Senate Wyoming on August 18, 2020.

		Candidate	%	Votes
✔		Cynthia Lummis	59.7	63,511
	Submit photo	Robert Short	12.7	13,473
		Bryan Miller	10.3	10,946
		Donna Rice	5.5	5,881
		R. Mark Armstrong	3.7	3,904
		Joshua Wheeler	3.5	3,763
		John Holtz	1.7	1,820
		Devon Cade	1.0	1,027
	Submit photo	Michael Kemler	0.9	985
	Submit photo	Star Roselli	0.6	627
		Other/Write-in votes	0.5	501

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	There were no incumbents in this race. The results have been certified. Source	Total votes: 106,438
= candidate completed the Ballotpedia Candidate Connection survey.
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Withdrawn or disqualified candidates

• Rolland Holthus (R)
• Patrick Dotson (R)

2014

On November 4, 2014, Mike Enzi (R) won re-election to the U.S. Senate. He defeated Charlie Hardy (D), Curt Gottshall (I) and Joe Porambo (L) in the general election.

U.S. Senate, Wyoming General Election, 2014

Party		Candidate	Vote %	Votes
	Republican	Mike Enzi Incumbent	72.2%	121,554
	Democratic	Charlie Hardy	17.4%	29,377
	Independent	Curt Gottshall	7.9%	13,311
	Libertarian	Joe Porambo	2.2%	3,677
	N/A	Write-in	0.3%	471
Total Votes				168,390
Source: Wyoming Secretary of State

2008

On November 4, 2008, Enzi won re-election to the U.S. Senate, defeating Chris Rothfuss (D).

U.S. Senate, Wyoming General Election, 2008
Party		Candidate	Vote %	Votes
	Republican	Mike Enzi Incumbent	75.7%	189,046
	Democratic	Chris Rothfuss	24.3%	60,631
Total Votes				249,677

2002

On November 5, 2002, Mike Enzi won re-election to the United States Senate. He defeated Joyce Jansa Corcoran (D) in the general election.

U.S. Senate, Wyoming General Election, 2002
Party		Candidate	Vote %	Votes
	Republican	Mike Enzi incumbent	73%	133,710
	Democratic	Joyce Jansa Corcoran	27%	49,570
Total Votes				183,280

1996

On November 5, 1996, Mike Enzi won election to the United States Senate. He defeated Kathy Karpan (D), W. David Herbert (L) and Lloyd Marsden (T) in the general election.

U.S. Senate, Wyoming General Election, 1996
Party		Candidate	Vote %	Votes
	Republican	Mike Enzi	54.1%	114,116
	Democratic	Kathy Karpan	42.2%	89,103
	Libertarian	W. David Herbert	2.5%	5,289
	Natural Law	Lloyd Marsden	1.2%	2,569
Total Votes				211,077

Historical members

Historical Representation to the U.S. Senate by Party from Wyoming
Party	Total
Democratic	8
Republican	16

Class 1 Senators from Wyoming
Senator	Years Served	Party
Francis E. Warren	1890-1893	Republican
Clarence D. Clark	1895-1917	Democratic
John B. Kendrick	1917-1933	Democratic
Joseph C. O'Mahoney	1934-1953	Democratic
Frank A. Barrett	1953-1959	Republican
Gale W. McGee	1959-1977	Democratic
Malcolm Wallop	1977-1995	Republican
Craig L. Thomas	1995-2007	Republican
John Barrasso	2007-Present	Republican

Class 2 Senators from Wyoming
Senator	Years Served	Party
Joseph M. Carey	1890-1895	Republican
Francis E. Warren	1895-1929	Republican
Patrick J. Sullivan	1929-1930	Republican
Robert D. Carey	1930-1937	Republican
Henry H. Schwartz	1937-1943	Democratic
Edward V. Robertson	1943-1949	Republican
Lester C. Hunt	1949-1954	Democratic
Edward D. Crippa	1954-1954	Republican
Joseph C. O'Mahoney	1954-1961	Democratic
John Joseph Hickey	1961-1962	Democratic
Milward L. Simpson	1962-1967	Republican
Clifford P. Hansen	1967-1978	Republican
Alan K. Simpson	1979-1997	Republican
Mike Enzi	1997-2021	Republican
Cynthia Lummis	2021 - Present	Republican

See also

• United States Senate
• United States congressional delegations from Wyoming
• Classes of United States Senators

Footnotes

[show]

Wyoming's current delegation to the United States Congress

Senators

John Barrasso (R)

Cynthia Lummis (R)

Representatives

Harriet Hageman (R)

Republican Party (3)