Mike Crapo won with 71.2% of the vote (319,953 votes), ahead of P. Tom Sullivan with 24.9% (112,057 votes).
The margin between the first two candidates was 46.2 percentage points (207,896 votes). The party margin (Republican share minus Democratic share) was a Republican lead of 46.2 points.
Compared with the previous comparable race in the same area, the party margin moved 22.7 points toward Republicans.
449,530 votes were counted in this race, for 3 candidates or options.
More races: all races, candidates and analysis.