Mark O. Hatfield won with 66.5% of the vote (808,152 votes), ahead of Margie Hendriksen with 33.4% (406,122 votes).
The margin between the first two candidates was 33.1 percentage points (402,030 votes). The party margin (Republican share minus Democratic share) was a Republican lead of 33.1 points.
Compared with the previous comparable race in the same area, the party margin moved 25.0 points toward Republicans.
1,214,735 votes were counted in this race, for 2 candidates or options.
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