The 1966 United States Senate election in New Hampshire took place on November 8, 1966. Incumbent Democratic Senator Thomas J. McIntyre won re-election to a full term, having first been elected in a special election in 1962.
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County results McIntyre: 50–60% 60–70% Thyng: 50–60% 70–80% | |||||||||||||||||
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Primary elections were held on September 13, 1966.
Party | Candidate | Votes | % | |
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Democratic | Thomas J. McIntyre (incumbent) | 26,668 | 100.00 | |
Total votes | 26,668 | 100.00 |
Party | Candidate | Votes | % | |
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Republican | Harrison R. Thyng | 22,741 | 29.52 | |
Republican | Wesley Powell | 18,145 | 23.55 | |
Republican | William R. Johnson | 17,410 | 22.60 | |
Republican | Lane Dwinell | 10,781 | 13.99 | |
Republican | Doloris Bridges | 7,613 | 9.88 | |
Republican | Harold W. Ayer | 351 | 0.46 | |
Total votes | 77,041 | 100.00 |
Party | Candidate | Votes | % | ||
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Democratic | Thomas J. McIntyre (Incumbent) | 123,888 | 54.03 | ||
Republican | Harrison R. Thyng | 105,241 | 45.90 | ||
None | Helen Bliss | 108 | 0.05 | ||
Write-in | 68 | 0.03 | |||
Majority | 18,647 | 8.13 | |||
Turnout | 229,305 | ||||
Democratic hold |