Louisiana U.S. Senate election 2014

Name: Louisiana U.S. Senate election 2014
Start: 2014-12-06
Location: Louisiana

Bill Cassidy REP +11.9 gain · Class II seat · held 12/6/14

Top-two primary 11/4/14

Candidate	Party	Votes	Share
Mary L. Landrieu Won	DEM	619,402	42.08%
Bill Cassidy	REP	603,048	40.97%
Rob Maness	REP	202,556	13.76%
Thomas Clements	REP	14,173	0.96%
Brannon McMorris	LIB	13,034	0.89%
Wayne Ables	DEM	11,323	0.77%
William Waymire	DEM	4,673	0.32%
Vallian Senegal	DEM	3,835	0.26%
Total		1,472,044

Official source: Election-Statistics

Candidate	Party	Votes	Share
Bill Cassidy Won	REP	712,379	55.94%
Mary L. Landrieu	DEM	561,210	44.07%
Total		1,273,589

Official source: Election-Statistics

Year	Seat	Winner	Margin
2022	Class III	John Kennedy	43.7
2020	Class II	Bill Cassidy	40.3
2016	Class III	John Kennedy	21.3
2014	Class II	Bill Cassidy	11.9
2010	Class III	David Vitter	18.9
2008	Class II	Mary L. Landrieu	6.4
2004	Class III	David Vitter	21.7
2002	Class II	Mary L. Landrieu	3.4
1998	Class III	John B. Breaux	32.4
1996	Class II	Mary L. Landrieu	0.3
1992	Class III	John B. Breaux	64.2
1990	Class II	Bennett Johnston	10.4

Bill Cassidy (REP) won with 55.9% of the vote, ahead of Mary L. Landrieu (44.1%), a margin of 11.9 points.

Yes. It moved from the Democratic Party to the Republican Party.

1,273,589 votes were counted for the candidates in the runoff.

Compiled by FiveThirtyEight from the official source linked above.