Patty Murray won with 57.1% of the vote (1,741,827 votes), ahead of Tiffany Smiley with 42.6% (1,299,322 votes).
The margin between the first two candidates was 14.5 percentage points (442,505 votes). The party margin (Republican share minus Democratic share) was a Democratic lead of 14.5 points.
Compared with the previous comparable race in the same area, the party margin moved 2.4 points toward Republicans.
3,047,900 votes were counted in this race, for 2 candidates or options.
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