Susan M. Collins won with 67.0% of the vote (413,505 votes), ahead of Shenna Bellows with 30.8% (190,254 votes).
The margin between the first two candidates was 36.2 percentage points (223,251 votes). The party margin (Republican share minus Democratic share) was a Republican lead of 36.2 points.
Compared with the previous comparable race in the same area, the party margin moved 19.3 points toward Republicans. The winning party changed.
616,996 votes were counted in this race, for 3 candidates or options.
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