Dianne Feinstein won with 54.3% of the vote (5,853,651 votes), ahead of John Seymour with 38.0% (4,093,501 votes).
The margin between the first two candidates was 16.3 percentage points (1,760,150 votes). The party margin (Republican share minus Democratic share) was a Democratic lead of 16.3 points.
Compared with the previous comparable race in the same area, the party margin moved 25.1 points toward Democrats. The winning party changed.
10,782,743 votes were counted in this race, for 5 candidates or options.
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