Maria Cantwell won with 60.5% of the vote (1,855,493 votes), ahead of Michael Baumgartner with 39.5% (1,213,924 votes).
The margin between the first two candidates was 20.9 percentage points (641,569 votes). The party margin (Republican share minus Democratic share) was a Democratic lead of 20.9 points.
Compared with the previous comparable race in the same area, the party margin moved 16.2 points toward Democrats.
3,069,417 votes were counted in this race, for 2 candidates or options.
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