Michael B. Enzi won with 54.1% of the vote (114,116 votes), ahead of Kathy Karpan with 42.2% (89,103 votes).
The margin between the first two candidates was 11.8 percentage points (25,013 votes). The party margin (Republican share minus Democratic share) was a Republican lead of 11.8 points.
Compared with the previous comparable race in the same area, the party margin moved 7.7 points toward Democrats.
211,077 votes were counted in this race, for 4 candidates or options.
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