Russell D. Feingold won with 50.5% of the vote (890,059 votes), ahead of Mark W. Neumann with 48.4% (852,272 votes).
The margin between the first two candidates was 2.1 percentage points (37,787 votes). The party margin (Republican share minus Democratic share) was a Democratic lead of 2.1 points.
Compared with the previous comparable race in the same area, the party margin moved 15.5 points toward Republicans.
1,760,836 votes were counted in this race, for 6 candidates or options.
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