Mark Udall won with 52.8% of the vote (1,230,994 votes), ahead of Bob Schaffer with 42.5% (990,755 votes).
The margin between the first two candidates was 10.3 percentage points (240,239 votes). The party margin (Republican share minus Democratic share) was a Democratic lead of 10.3 points.
Compared with the previous comparable race in the same area, the party margin moved 5.5 points toward Democrats.
2,331,621 votes were counted in this race, for 4 candidates or options.
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