Catherine Cortez Masto won with 49.0% of the vote (521,994 votes), ahead of Joseph J. Heck with 46.4% (495,079 votes).
The margin between the first two candidates was 2.5 percentage points (26,915 votes). The party margin (Republican share minus Democratic share) was a Democratic lead of 2.5 points.
Compared with the previous comparable race in the same area, the party margin moved 3.7 points toward Democrats. The winning party changed.
1,066,037 votes were counted in this race, for 6 candidates or options.
More races: all races, candidates and analysis.