Mary L. Landrieu won with 48.8% of the vote (1,212,001 votes), ahead of Suzanne Haik Terrell with 37.7% (936,148 votes).
The margin between the first two candidates was 11.1 percentage points (275,853 votes). The party margin (Republican share minus Democratic share) was a Democratic lead of 0.3 points.
Compared with the previous comparable race in the same area, the party margin moved 32.3 points toward Republicans.
2,481,629 votes were counted in this race, for 9 candidates or options.
More races: all races, candidates and analysis.