Kristi Noem won with 62.0% of the vote (217,035 votes), ahead of Jamie Smith with 35.2% (123,148 votes).
The margin between the first two candidates was 26.8 percentage points (93,887 votes). The party margin (Republican share minus Democratic share) was a Republican lead of 26.8 points.
Compared with the previous comparable race in the same area, the party margin moved 23.4 points toward Republicans.
350,166 votes were counted in this race, for 3 candidates or options.
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