The 1978 United States Senate election in New Hampshire took place on November 7, 1978. Incumbent Democratic Senator Thomas J. McIntyre ran for re-election to a third term but was defeated by Republican Gordon J. Humphrey.
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County results Humphrey: 50–60% 60–70% McIntyre: 40–50% 50–60% 60–70% | |||||||||||||||||
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Party | Candidate | Votes | % | |
---|---|---|---|---|
Democratic | Thomas J. McIntyre (incumbent) | 31,796 | 80.70% | |
Democratic | Raymond J. Coughlan | 7,605 | 19.30% | |
Total votes | 39,401 | 100.00% |
Party | Candidate | Votes | % | |
---|---|---|---|---|
Republican | Gordon J. Humphrey | 35,503 | 50.24% | |
Republican | James A. Masiello | 18,371 | 26.00% | |
Republican | Alf E. Jacobson | 13,619 | 19.27% | |
Republican | Carmen C. Chimento | 2,885 | 4.08% | |
Democratic | Thomas J. McIntyre (incumbent, write-in) | 243 | 0.34% | |
Write-in | All others | 47 | 0.07% | |
Democratic | Raymond J. Coughlan (write-in) | 1 | 0.00% | |
Total votes | 70,669 | 100.00% |
Party | Candidate | Votes | % | ±% | |
---|---|---|---|---|---|
Republican | Gordon J. Humphrey | 133,745 | 50.71% | 7.59 | |
Democratic | Thomas J. McIntyre (incumbent) | 127,945 | 48.51% | 8.37 | |
Libertarian | Craig Franklin | 2,070 | 0.79% | N/A | |
Total votes | 284,047 | 100.00% | |||
Republican gain from Democratic | Swing |