Senate Elections 2014 | US Senate Elections | Louisiana Races
2014 Louisiana U.S. Senate Runoff Election Results
Bill Cassidy
Percent: 55.93%
Votes: 712,379
Mary L. Landrieu
Percent: 44.07%
Votes: 561,210
Race Summary
In the 2014 Louisiana U.S. Senate runoff election held on December 6, Republican Bill Cassidy won with 55.93% of the vote, defeating incumbent Democrat Mary Landrieu, who received 44.07%, after neither candidate secured a majority in the November jungle primary. Cassidy’s victory flipped the seat to the GOP and marked the first time a Republican held that Senate seat since the 19th century.
Full Results
Bill Cassidy (REP)
Percent: 55.93%
Votes: 712,379
Mary L. Landrieu (DEM)
Percent: 44.07%
Votes: 561,210
Total votes: 1,273,589
State Map
Results by County
Acadia Parish
Bill Cassidy (REP)
Percent: 73.67%
Votes: 13,290
Mary L. Landrieu (DEM)
Percent: 26.33%
Votes: 4,751
Total votes: 18,041
Avoyelles Parish
Bill Cassidy (REP)
Percent: 62.67%
Votes: 7,406
Mary L. Landrieu (DEM)
Percent: 37.33%
Votes: 4,411
Total votes: 11,817
Caddo Parish
Bill Cassidy (REP)
Percent: 45.80%
Votes: 31,952
Mary L. Landrieu (DEM)
Percent: 54.20%
Votes: 37,813
Total votes: 69,765
Catahoula Parish
Bill Cassidy (REP)
Percent: 65.85%
Votes: 2,158
Mary L. Landrieu (DEM)
Percent: 34.15%
Votes: 1,119
Total votes: 3,277
East Baton Rouge Parish
Bill Cassidy (REP)
Percent: 47.28%
Votes: 62,118
Mary L. Landrieu (DEM)
Percent: 52.72%
Votes: 69,271
Total votes: 131,389
Franklin Parish
Bill Cassidy (REP)
Percent: 69.12%
Votes: 4,509
Mary L. Landrieu (DEM)
Percent: 30.88%
Votes: 2,014
Total votes: 6,523
Jackson Parish
Bill Cassidy (REP)
Percent: 62.28%
Votes: 3,264
Mary L. Landrieu (DEM)
Percent: 37.72%
Votes: 1,977
Total votes: 5,241
Lafourche Parish
Bill Cassidy (REP)
Percent: 64.02%
Votes: 14,876
Mary L. Landrieu (DEM)
Percent: 35.98%
Votes: 8,360
Total votes: 23,236
Madison Parish
Bill Cassidy (REP)
Percent: 39.92%
Votes: 1,244
Mary L. Landrieu (DEM)
Percent: 60.08%
Votes: 1,872
Total votes: 3,116
Ouachita Parish
Bill Cassidy (REP)
Percent: 62.01%
Votes: 26,799
Mary L. Landrieu (DEM)
Percent: 37.99%
Votes: 16,420
Total votes: 43,219
Red River Parish
Bill Cassidy (REP)
Percent: 50.75%
Votes: 1,423
Mary L. Landrieu (DEM)
Percent: 49.25%
Votes: 1,381
Total votes: 2,804
St. Charles Parish
Bill Cassidy (REP)
Percent: 57.17%
Votes: 9,059
Mary L. Landrieu (DEM)
Percent: 42.83%
Votes: 6,787
Total votes: 15,846
St. Landry Parish
Bill Cassidy (REP)
Percent: 49.32%
Votes: 13,616
Mary L. Landrieu (DEM)
Percent: 50.68%
Votes: 13,990
Total votes: 27,606
Tangipahoa Parish
Bill Cassidy (REP)
Percent: 60.84%
Votes: 19,149
Mary L. Landrieu (DEM)
Percent: 39.16%
Votes: 12,323
Total votes: 31,472
Vermilion Parish
Bill Cassidy (REP)
Percent: 75.89%
Votes: 11,201
Mary L. Landrieu (DEM)
Percent: 24.11%
Votes: 3,559
Total votes: 14,760
West Baton Rouge Parish
Bill Cassidy (REP)
Percent: 50.98%
Votes: 4,314
Mary L. Landrieu (DEM)
Percent: 49.02%
Votes: 4,148
Total votes: 8,462
Allen Parish
Bill Cassidy (REP)
Percent: 68.97%
Votes: 3,646
Mary L. Landrieu (DEM)
Percent: 31.03%
Votes: 1,640
Total votes: 5,286
Beauregard Parish
Bill Cassidy (REP)
Percent: 79.10%
Votes: 6,878
Mary L. Landrieu (DEM)
Percent: 20.90%
Votes: 1,817
Total votes: 8,695
Calcasieu Parish
Bill Cassidy (REP)
Percent: 63.06%
Votes: 30,511
Mary L. Landrieu (DEM)
Percent: 36.94%
Votes: 17,870
Total votes: 48,381
Claiborne Parish
Bill Cassidy (REP)
Percent: 53.71%
Votes: 2,503
Mary L. Landrieu (DEM)
Percent: 46.29%
Votes: 2,157
Total votes: 4,660
East Carroll Parish
Bill Cassidy (REP)
Percent: 32.74%
Votes: 913
Mary L. Landrieu (DEM)
Percent: 67.26%
Votes: 1,876
Total votes: 2,789
Grant Parish
Bill Cassidy (REP)
Percent: 82.59%
Votes: 4,398
Mary L. Landrieu (DEM)
Percent: 17.41%
Votes: 927
Total votes: 5,325
Jefferson Parish
Bill Cassidy (REP)
Percent: 53.03%
Votes: 58,179
Mary L. Landrieu (DEM)
Percent: 46.97%
Votes: 51,536
Total votes: 109,715
Lasalle Parish
Bill Cassidy (REP)
Percent: 87.86%
Votes: 3,763
Mary L. Landrieu (DEM)
Percent: 12.14%
Votes: 520
Total votes: 4,283
Morehouse Parish
Bill Cassidy (REP)
Percent: 52.57%
Votes: 4,338
Mary L. Landrieu (DEM)
Percent: 47.43%
Votes: 3,914
Total votes: 8,252
Plaquemines Parish
Bill Cassidy (REP)
Percent: 56.59%
Votes: 4,342
Mary L. Landrieu (DEM)
Percent: 43.41%
Votes: 3,331
Total votes: 7,673
Richland Parish
Bill Cassidy (REP)
Percent: 62.48%
Votes: 4,442
Mary L. Landrieu (DEM)
Percent: 37.52%
Votes: 2,667
Total votes: 7,109
St. Helena Parish
Bill Cassidy (REP)
Percent: 37.56%
Votes: 1,610
Mary L. Landrieu (DEM)
Percent: 62.44%
Votes: 2,676
Total votes: 4,286
St. Martin Parish
Bill Cassidy (REP)
Percent: 60.42%
Votes: 9,817
Mary L. Landrieu (DEM)
Percent: 39.58%
Votes: 6,431
Total votes: 16,248
Tensas Parish
Bill Cassidy (REP)
Percent: 45.05%
Votes: 796
Mary L. Landrieu (DEM)
Percent: 54.95%
Votes: 971
Total votes: 1,767
Vernon Parish
Bill Cassidy (REP)
Percent: 80.33%
Votes: 7,854
Mary L. Landrieu (DEM)
Percent: 19.67%
Votes: 1,923
Total votes: 9,777
West Carroll Parish
Bill Cassidy (REP)
Percent: 80.63%
Votes: 2,422
Mary L. Landrieu (DEM)
Percent: 19.37%
Votes: 582
Total votes: 3,004
Ascension Parish
Bill Cassidy (REP)
Percent: 63.95%
Votes: 20,534
Mary L. Landrieu (DEM)
Percent: 36.05%
Votes: 11,575
Total votes: 32,109
Bienville Parish
Bill Cassidy (REP)
Percent: 48.66%
Votes: 2,357
Mary L. Landrieu (DEM)
Percent: 51.34%
Votes: 2,487
Total votes: 4,844
Caldwell Parish
Bill Cassidy (REP)
Percent: 74.80%
Votes: 2,291
Mary L. Landrieu (DEM)
Percent: 25.20%
Votes: 772
Total votes: 3,063
Concordia Parish
Bill Cassidy (REP)
Percent: 57.51%
Votes: 3,083
Mary L. Landrieu (DEM)
Percent: 42.49%
Votes: 2,278
Total votes: 5,361
East Feliciana Parish
Bill Cassidy (REP)
Percent: 50.16%
Votes: 3,653
Mary L. Landrieu (DEM)
Percent: 49.84%
Votes: 3,630
Total votes: 7,283
Iberia Parish
Bill Cassidy (REP)
Percent: 62.47%
Votes: 12,738
Mary L. Landrieu (DEM)
Percent: 37.53%
Votes: 7,652
Total votes: 20,390
Jefferson Davis Parish
Bill Cassidy (REP)
Percent: 71.02%
Votes: 5,781
Mary L. Landrieu (DEM)
Percent: 28.98%
Votes: 2,359
Total votes: 8,140
Lincoln Parish
Bill Cassidy (REP)
Percent: 59.59%
Votes: 7,187
Mary L. Landrieu (DEM)
Percent: 40.41%
Votes: 4,874
Total votes: 12,061
Natchitoches Parish
Bill Cassidy (REP)
Percent: 55.14%
Votes: 5,674
Mary L. Landrieu (DEM)
Percent: 44.86%
Votes: 4,617
Total votes: 10,291
Pointe Coupee Parish
Bill Cassidy (REP)
Percent: 48.00%
Votes: 3,824
Mary L. Landrieu (DEM)
Percent: 52.00%
Votes: 4,143
Total votes: 7,967
Sabine Parish
Bill Cassidy (REP)
Percent: 78.48%
Votes: 4,838
Mary L. Landrieu (DEM)
Percent: 21.52%
Votes: 1,327
Total votes: 6,165
St. James Parish
Bill Cassidy (REP)
Percent: 35.60%
Votes: 2,919
Mary L. Landrieu (DEM)
Percent: 64.40%
Votes: 5,281
Total votes: 8,200
St. Mary Parish
Bill Cassidy (REP)
Percent: 57.22%
Votes: 7,773
Mary L. Landrieu (DEM)
Percent: 42.78%
Votes: 5,812
Total votes: 13,585
Terrebonne Parish
Bill Cassidy (REP)
Percent: 63.81%
Votes: 16,732
Mary L. Landrieu (DEM)
Percent: 36.19%
Votes: 9,491
Total votes: 26,223
Washington Parish
Bill Cassidy (REP)
Percent: 59.30%
Votes: 7,144
Mary L. Landrieu (DEM)
Percent: 40.70%
Votes: 4,903
Total votes: 12,047
West Feliciana Parish
Bill Cassidy (REP)
Percent: 53.66%
Votes: 2,231
Mary L. Landrieu (DEM)
Percent: 46.34%
Votes: 1,927
Total votes: 4,158
Assumption Parish
Bill Cassidy (REP)
Percent: 49.34%
Votes: 3,292
Mary L. Landrieu (DEM)
Percent: 50.66%
Votes: 3,380
Total votes: 6,672
Bossier Parish
Bill Cassidy (REP)
Percent: 73.04%
Votes: 20,691
Mary L. Landrieu (DEM)
Percent: 26.96%
Votes: 7,637
Total votes: 28,328
Cameron Parish
Bill Cassidy (REP)
Percent: 79.35%
Votes: 1,545
Mary L. Landrieu (DEM)
Percent: 20.65%
Votes: 402
Total votes: 1,947
De Soto Parish
Bill Cassidy (REP)
Percent: 53.96%
Votes: 4,591
Mary L. Landrieu (DEM)
Percent: 46.04%
Votes: 3,917
Total votes: 8,508
Evangeline Parish
Bill Cassidy (REP)
Percent: 60.71%
Votes: 6,336
Mary L. Landrieu (DEM)
Percent: 39.29%
Votes: 4,101
Total votes: 10,437
Iberville Parish
Bill Cassidy (REP)
Percent: 41.64%
Votes: 5,378
Mary L. Landrieu (DEM)
Percent: 58.36%
Votes: 7,537
Total votes: 12,915
Lafayette Parish
Bill Cassidy (REP)
Percent: 67.70%
Votes: 42,537
Mary L. Landrieu (DEM)
Percent: 32.30%
Votes: 20,297
Total votes: 62,834
Livingston Parish
Bill Cassidy (REP)
Percent: 82.97%
Votes: 27,212
Mary L. Landrieu (DEM)
Percent: 17.03%
Votes: 5,587
Total votes: 32,799
Orleans Parish
Bill Cassidy (REP)
Percent: 15.13%
Votes: 15,590
Mary L. Landrieu (DEM)
Percent: 84.87%
Votes: 87,441
Total votes: 103,031
Rapides Parish
Bill Cassidy (REP)
Percent: 65.44%
Votes: 25,123
Mary L. Landrieu (DEM)
Percent: 34.56%
Votes: 13,266
Total votes: 38,389
St. Bernard Parish
Bill Cassidy (REP)
Percent: 49.35%
Votes: 4,636
Mary L. Landrieu (DEM)
Percent: 50.65%
Votes: 4,758
Total votes: 9,394
St. John The Baptist Parish
Bill Cassidy (REP)
Percent: 31.04%
Votes: 4,031
Mary L. Landrieu (DEM)
Percent: 68.96%
Votes: 8,955
Total votes: 12,986
St. Tammany Parish
Bill Cassidy (REP)
Percent: 71.77%
Votes: 54,915
Mary L. Landrieu (DEM)
Percent: 28.23%
Votes: 21,595
Total votes: 76,510
Union Parish
Bill Cassidy (REP)
Percent: 71.41%
Votes: 4,965
Mary L. Landrieu (DEM)
Percent: 28.59%
Votes: 1,988
Total votes: 6,953
Webster Parish
Bill Cassidy (REP)
Percent: 59.33%
Votes: 7,126
Mary L. Landrieu (DEM)
Percent: 40.67%
Votes: 4,885
Total votes: 12,011
Winn Parish
Bill Cassidy (REP)
Percent: 68.73%
Votes: 2,862
Mary L. Landrieu (DEM)
Percent: 31.27%
Votes: 1,302
Total votes: 4,164