Bill Cassidy won with 48.6% of the vote (1,712,379 votes), ahead of Mary L. Landrieu with 44.3% (1,561,210 votes).
The margin between the first two candidates was 4.3 percentage points (151,169 votes). The party margin (Republican share minus Democratic share) was a Republican lead of 9.9 points.
Compared with the previous comparable race in the same area, the party margin moved 9.0 points toward Democrats.
3,523,183 votes were counted in this race, for 8 candidates or options.
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