Tammy Duckworth won with 56.8% of the vote (2,329,136 votes), ahead of Kathy Salvi with 41.5% (1,701,055 votes).
The margin between the first two candidates was 15.3 percentage points (628,081 votes). The party margin (Republican share minus Democratic share) was a Democratic lead of 15.3 points.
Compared with the previous comparable race in the same area, the party margin moved 0.7 points toward Republicans.
4,098,896 votes were counted in this race, for 5 candidates or options.
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