Roy Blunt won with 54.2% of the vote (1,054,160 votes), ahead of Robin Carnahan with 40.6% (789,736 votes).
The margin between the first two candidates was 13.6 percentage points (264,424 votes). The party margin (Republican share minus Democratic share) was a Republican lead of 13.6 points.
Compared with the previous comparable race in the same area, the party margin moved 15.9 points toward Republicans. The winning party changed.
1,943,899 votes were counted in this race, for 5 candidates or options.
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