John McCain won with 53.7% of the vote (1,359,267 votes), ahead of Ann Kirkpatrick with 40.8% (1,031,245 votes).
The margin between the first two candidates was 13.0 percentage points (328,022 votes). The party margin (Republican share minus Democratic share) was a Republican lead of 13.0 points.
Compared with the previous comparable race in the same area, the party margin moved 10.0 points toward Republicans.
2,530,730 votes were counted in this race, for 6 candidates or options.
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