Michael Bennet won with 55.9% of the vote (1,397,170 votes), ahead of Joe O'Dea with 41.3% (1,031,693 votes).
The margin between the first two candidates was 14.6 percentage points (365,477 votes). The party margin (Republican share minus Democratic share) was a Democratic lead of 14.6 points.
Compared with the previous comparable race in the same area, the party margin moved 5.3 points toward Democrats.
2,500,201 votes were counted in this race, for 9 candidates or options.
More races: all races, candidates and analysis.