Tammy Baldwin won with 51.4% of the vote (1,547,104 votes), ahead of Tommy G. Thompson with 45.9% (1,380,126 votes).
The margin between the first two candidates was 5.5 percentage points (166,978 votes). The party margin (Republican share minus Democratic share) was a Democratic lead of 5.5 points.
Compared with the previous comparable race in the same area, the party margin moved 10.4 points toward Democrats. The winning party changed.
3,009,411 votes were counted in this race, for 4 candidates or options.
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