Markwayne Mullin won with 61.8% of the vote (710,643 votes), ahead of Kendra Horn with 35.2% (405,389 votes).
The margin between the first two candidates was 26.5 percentage points (305,254 votes). The party margin (Republican share minus Democratic share) was a Republican lead of 26.5 points.
Compared with the previous comparable race in the same area, the party margin moved 3.6 points toward Democrats.
1,150,481 votes were counted in this race, for 4 candidates or options.
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