Paul Simon won with 65.1% of the vote (2,115,377 votes), ahead of Lynn Martin with 34.9% (1,135,628 votes).
The margin between the first two candidates was 30.1 percentage points (979,749 votes). The party margin (Republican share minus Democratic share) was a Democratic lead of 30.1 points.
Compared with the previous comparable race in the same area, the party margin moved 1.2 points toward Republicans.
3,251,005 votes were counted in this race, for 2 candidates or options.
More races: all races, candidates and analysis.