Max Baucus won with 49.6% of the vote (201,935 votes), ahead of Dennis Rehberg with 44.7% (182,111 votes).
The margin between the first two candidates was 4.9 percentage points (19,824 votes). The party margin (Republican share minus Democratic share) was a Democratic lead of 4.9 points.
Compared with the previous comparable race in the same area, the party margin moved 29.6 points toward Democrats. The winning party changed.
407,490 votes were counted in this race, for 4 candidates or options.
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