Rick Santorum won with 49.4% of the vote (1,735,691 votes), ahead of Harris Wofford with 46.9% (1,648,481 votes).
The margin between the first two candidates was 2.5 percentage points (87,210 votes). The party margin (Republican share minus Democratic share) was a Republican lead of 2.5 points.
Compared with the previous comparable race in the same area, the party margin moved 0.3 points toward Democrats.
3,513,361 votes were counted in this race, for 4 candidates or options.
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