Ron Johnson won with 50.4% of the vote (1,337,185 votes), ahead of Mandela Barnes with 49.4% (1,310,467 votes).
The margin between the first two candidates was 1.0 percentage points (26,718 votes). The party margin (Republican share minus Democratic share) was a Republican lead of 1.0 points.
Compared with the previous comparable race in the same area, the party margin moved 11.8 points toward Republicans. The winning party changed.
2,652,477 votes were counted in this race, for 2 candidates or options.
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