Louisiana U.S. Senate election history

Every Louisiana U.S. Senate election from 1978 to 2022: winners, parties, margins and the seats that changed hands.

Current senators

Louisiana Senate races: Republican minus Democratic share, in points. Bars above the line lean Republican, below lean Democratic.

Year	Seat	Winner	Party	Runner-up	Margin	Votes
2022	Class III	John Kennedy	Republican	Gary Chambers	43.7	1,383,290
2020	Class II	Bill Cassidy	Republican	Adrian Perkins	40.3	2,071,543
2016	Class III	John Kennedy	Republican	Foster L. Campbell	21.3	884,007
2014 flip	Class II	Bill Cassidy	Republican	Mary L. Landrieu	11.9	1,273,589
2010	Class III	David Vitter	Republican	Charlie Melancon	18.9	1,264,994
2008	Class II	Mary L. Landrieu	Democratic	John Kennedy	6.4	1,896,574
2004 flip	Class III	David Vitter	Republican	Chris John	21.7	1,848,056
2002	Class II	Mary L. Landrieu	Democratic	Suzanne Haik Terrell	3.4	1,235,296
1998	Class III	John B. Breaux	Democratic	James J. Donelon	32.4	969,165
1996	Class II	Mary L. Landrieu	Democratic	Woody Jenkins	0.3	1,700,102
1992	Class III	John B. Breaux	Democratic	Jon Khachaturian	64.2	843,037
1990	Class II	Bennett Johnston	Democratic	David Duke	10.4	1,396,113
1986	Class III	John B. Breaux	Democratic	William Henson Moore	5.6	1,369,897
1984	Class II	Bennett Johnston	Democratic	Robert Max Ross	76.9	977,473
1980	Class III	Russell B. Long	Democratic	Woody Jenkins	18.9	841,013
1978	Class II	Bennett Johnston	Democratic	Woody Jenkins	18.8	839,669

John Kennedy won in 2022 by 43.7 points.

Bill Cassidy (Republican, term ends 2027) and John Kennedy (Republican, term ends 2029).

In 2008, when Mary L. Landrieu won.

In 2022, when John Kennedy won.

Results: FiveThirtyEight (from 1976 for Senate, 1996 for governor). Current members: congress-legislators.