Dianne Feinstein won with 46.7% of the vote (3,979,152 votes), ahead of Michael Huffington with 44.8% (3,817,025 votes).
The margin between the first two candidates was 1.9 percentage points (162,127 votes). The party margin (Republican share minus Democratic share) was a Democratic lead of 1.9 points.
Compared with the previous comparable race in the same area, the party margin moved 3.0 points toward Republicans.
8,514,089 votes were counted in this race, for 6 candidates or options.
More races: all races, candidates and analysis.