Kristi Noem won with 51.0% of the vote (172,706 votes), ahead of Billie Sutton with 47.6% (161,171 votes).
The margin between the first two candidates was 3.4 percentage points (11,535 votes). The party margin (Republican share minus Democratic share) was a Republican lead of 3.4 points.
338,715 votes were counted in this race, for 3 candidates or options.
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