Rob Portman won with 56.8% of the vote (2,168,742 votes), ahead of Lee Fisher with 39.4% (1,503,297 votes).
The margin between the first two candidates was 17.4 percentage points (665,445 votes). The party margin (Republican share minus Democratic share) was a Republican lead of 17.4 points.
Compared with the previous comparable race in the same area, the party margin moved 29.8 points toward Republicans. The winning party changed.
3,815,098 votes were counted in this race, for 5 candidates or options.
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