U.S. Senate elections in Wyoming
● In officeJohn BarrassoRepublicanCynthia M. Lummis
Elections won
R 26 · D 12 · Other 139 Senate elections since 1916
Last decided by
49.7 pts2024, John Barrasso over Scott D Morrow
Closest ever
0.74 pts1988, Malcolm Wallop over John P. Vinich
Longest streak
14 in a rowRepublican, 1982–2018
Next election
2026Tuesday, November 3, 2026
Wyoming's U.S. Senate seats are held by Republican John Barrasso and Republican Cynthia M. Lummis; Barrasso won the most recent race by 49.7 points in 2024. Barrasso has held one seat since 2008 and Lummis the other since 2020. The 2024 race put Barrasso ahead of Scott D Morrow, 49.7 points clear. Across 39 elections since 1916, Republicans have won 26 and Democrats 12, with 1 going to other parties. Of those, the closest was 1988, decided by 0.74 points; the widest 1984, by 56.6 points.
John Barrasso R 198,418 · Scott D Morrow D 63,727
Cynthia M. Lummis 198,100 · Merav Ben David 72,766
Michael B. Enzi R 121,554 · Charlie Hardy D 29,377 · Curt Gottshall I 13,311 · Joseph S. Porambo L 3,677
Michael B. Enzi R 189,046 · Chris Rothfuss D 60,631
John Barrasso R 183,063 · Nick Carter D 66,202
Craig Thomas R 135,174 · Dale Groutage D 57,671
Michael B. Enzi R 133,710 · Joyce Jansa Corcoran D 49,570
Michael B. Enzi R 114,116 · Kathy Karpan D 89,103 · W. David Herbert L 5,289 · Lloyd Marsden N 2,569
Alan Kooi Simpson R 100,784 · Kathy Helling D 56,848
Malcolm Wallop R 91,143 · John P. Vinich D 89,821
Al Simpson R 146,373 · Victor A. Ryan D 40,525
Malcolm Wallop R 94,725 · Rodger McDaniel D 72,466
Raymond B. Whitaker D 82,908 · Alan Kooi Simpson R 50,456
Malcolm Wallop R 84,810 · Gale McGee D 70,558
Clifford P. Hansen R 101,314 · Mike Vinich D 40,753
Gale McGee D 67,207 · John S. Wold R 53,279
Clifford P. Hansen R 63,548 · Teno Roncalio D 59,141
Gale McGee D 76,485 · John S. Wold R 65,185
Milward Simpson R 69,043 · John J. Hickey D 50,329
Keith Thomson R 78,103 · Raymond B. Whitaker D 60,447
Gale McGee D 58,035 · Frank A. Barrett R 56,122
Joseph C. O'Mahoney D 57,845 · William H. Harrison R 54,407
Frank A. Barrett R 67,176 · Joseph C. O'Mahoney D 62,921
Lester C. Hunt D 57,953 · Edward Robertson V R 43,527
Joseph C. O'Mahoney D 45,843 · Harry B. Henderson R 35,714
Edward Robertson V R 41,486 · Harry H. Schwartz D 34,503
Joseph C. O'Mahoney D 65,022 · Milward W. Simpson R 45,682
Robert D. Carey R 43,626 · Harry H. Schwartz D 30,259
Francis E. Warren R 41,293 · Robert R. Rose D 33,536 · G. E. Kindler P 2,224 · William B. Guthrie I 805
Francis E. Waaren R 23,975 · John E. Osborne D 17,528
John B. Kendrick D 26,324 · Clarence D. Clark R 23,258 · Paul L. Paulsen S 1,334 · Arthur B. Campbell P 231