Christopher A. Coons won with 56.6% of the vote (174,012 votes), ahead of Christine O'Donnell with 40.0% (123,053 votes).
The margin between the first two candidates was 16.6 percentage points (50,959 votes). The party margin (Republican share minus Democratic share) was a Democratic lead of 16.6 points.
Compared with the previous comparable race in the same area, the party margin moved 12.8 points toward Republicans.
307,402 votes were counted in this race, for 4 candidates or options.
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