Cory Gardner won with 48.2% of the vote (983,891 votes), ahead of Mark Udall with 46.3% (944,203 votes).
The margin between the first two candidates was 1.9 percentage points (39,688 votes). The party margin (Republican share minus Democratic share) was a Republican lead of 1.9 points.
Compared with the previous comparable race in the same area, the party margin moved 3.6 points toward Republicans. The winning party changed.
2,041,058 votes were counted in this race, for 6 candidates or options.
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