John Thune won with 50.6% of the vote (197,848 votes), ahead of Tom Daschle with 49.4% (193,340 votes).
The margin between the first two candidates was 1.2 percentage points (4,508 votes). The party margin (Republican share minus Democratic share) was a Republican lead of 1.2 points.
Compared with the previous comparable race in the same area, the party margin moved 1.3 points toward Republicans. The winning party changed.
391,188 votes were counted in this race, for 2 candidates or options.
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