Tom Cotton won with 66.5% of the vote (793,871 votes), ahead of Ricky Dale Harrington Jr. with 33.5% (399,390 votes).
The margin between the first two candidates was 33.1 percentage points (394,481 votes). The party margin (Republican share minus Democratic share) was a Republican lead of 66.5 points.
Compared with the previous comparable race in the same area, the party margin moved 42.9 points toward Republicans.
1,193,261 votes were counted in this race, for 2 candidates or options.
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