Edmund S. Muskie won with 60.2% of the vote (292,704 votes), ahead of Robert A. G. Monks with 39.8% (193,489 votes).
The margin between the first two candidates was 20.4 percentage points (99,215 votes). The party margin (Republican share minus Democratic share) was a Democratic lead of 20.4 points.
486,193 votes were counted in this race, for 2 candidates or options.
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