John R. Thune won with 69.6% of the vote (242,316 votes), ahead of Brian L. Bengs with 26.1% (91,007 votes).
The margin between the first two candidates was 43.5 percentage points (151,309 votes). The party margin (Republican share minus Democratic share) was a Republican lead of 43.5 points.
Compared with the previous comparable race in the same area, the party margin moved 12.0 points toward Republicans.
348,020 votes were counted in this race, for 3 candidates or options.
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