Claire McCaskill won with 49.6% of the vote (1,055,255 votes), ahead of James M. Talent with 47.3% (1,006,941 votes).
The margin between the first two candidates was 2.3 percentage points (48,314 votes). The party margin (Republican share minus Democratic share) was a Democratic lead of 2.3 points.
Compared with the previous comparable race in the same area, the party margin moved 15.6 points toward Democrats. The winning party changed.
2,128,459 votes were counted in this race, for 4 candidates or options.
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