John C. Danforth won with 56.9% of the vote (1,090,067 votes), ahead of Warren E. Hearnes with 42.5% (813,571 votes).
The margin between the first two candidates was 14.4 percentage points (276,496 votes). The party margin (Republican share minus Democratic share) was a Republican lead of 14.4 points.
1,914,460 votes were counted in this race, for 3 candidates or options.
More races: all races, candidates and analysis.