The 1978 United States Senate election in Oregon took place on November 7, 1978. Incumbent Republican Senator Mark Hatfield was re-elected to a third term in office, defeating Democrat Vernon Cook.
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County results Hatfield: 50–60% 60–70% 70–80% Cook: 50–60% | |||||||||||||||||
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Party | Candidate | Votes | % | |
---|---|---|---|---|
Republican | Mark Hatfield (incumbent) | 159,617 | 65.66% | |
Republican | Bert W. Hawkins | 43,350 | 17.83% | |
Republican | Robert D. Maxwell | 24,294 | 9.99% | |
Republican | Richard L. Schnepel | 15,628 | 6.43% | |
Write-in | All others | 197 | 0.07% | |
Total votes | 243,086 | 100.00% |
Party | Candidate | Votes | % | |
---|---|---|---|---|
Democratic | Vernon Cook | 151,754 | 58.32% | |
Democratic | John Sweeney | 41,599 | 15.99% | |
Democratic | Jack A. Brown | 35,211 | 13.53% | |
Democratic | Steve Anderson | 30,066 | 11.56% | |
Republican | Mark Hatfield (incumbent, write-in) | 1,106 | 0.39% | |
Write-in | All others | 552 | 0.21% | |
Total votes | 260,197 | 100.00% |
Party | Candidate | Votes | % | ±% | |
---|---|---|---|---|---|
Republican | Mark Hatfield (incumbent) | 550,615 | 61.66% | 7.94 | |
Democratic | Vernon Cook | 341,616 | 38.26% | 7.90 | |
Write-in | All others | 737 | 0.08% | ||
Total votes | 892,968 | 100.00% | |||
Republican hold | Swing |