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United States · Election results history · 1978 Senate · Maine
Election 1978 Results

Each election opens in its own mode: the forecast before the votes are counted, the live count while races are still too close to call, and the results once every race is decided.

1978 US Senate election in Maine

William Cohen (Republican) beat William Hathaway (Democrat) in Maine in 1978, 56.6% to 33.9%, a margin of 22.7 points and 84,967 votes.

Maine changed party: in 1972 it went Democratic, for William Hathaway.

Republicans led in 16 of the 16 counties as they stood then. The largest, Cumberland, cast 77,048 votes and went to the Republican by 20.8 points. The closest was Sagadahoc, where 1,697 votes separated the two parties.

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Early projection, based on early and incomplete polling: the likely matchups, each weighted by the betting markets' odds of both nominations, not a result. Each county is its 2024 presidential margin moved by its state's projected swing; set a national vote and every state, district and county moves by the same amount from our projection. Colours run in 100 steps from a safe Republican to a safe Democratic margin. Boundaries: US Census Bureau.

Senate

CandidatePartyVotesShare
William Cohen won Republican 212,294 56.6%
William Hathaway Democratic 127,327 33.9%
Hayes E. Gahagan Independent 27,824 7.4%
All other candidates 7,669 2.0%
Total375,114

Every county

CountyDemocratRepublicanOthersTotalMargin
Cumberland 26,894 34.9% 42,883 55.7% 7,271 77,048 R+20.8
York 16,745 37.3% 23,771 52.9% 4,412 44,928 R+15.6
Penobscot 15,797 35.5% 25,858 58.1% 2,842 44,497 R+22.6
Kennebec 12,214 32.4% 21,282 56.5% 4,193 37,689 R+24.1
Androscoggin 14,454 41.6% 16,457 47.3% 3,858 34,769 R+5.8
Aroostook 9,690 39.5% 13,005 53.0% 1,859 24,554 R+13.5
Oxford 4,746 28.5% 9,464 56.8% 2,443 16,653 R+28.3
Hancock 3,871 24.4% 10,830 68.4% 1,141 15,842 R+43.9
Somerset 4,572 31.2% 8,748 59.7% 1,335 14,655 R+28.5
Knox 3,040 26.8% 7,239 63.8% 1,065 11,344 R+37.0
Lincoln 2,413 22.7% 7,134 67.0% 1,099 10,646 R+44.3
Washington 3,400 32.6% 6,341 60.7% 701 10,442 R+28.2
Sagadahoc 3,030 33.9% 4,727 52.9% 1,187 8,944 R+19.0
Waldo 2,487 29.0% 5,430 63.3% 664 8,581 R+34.3
Franklin 2,213 26.4% 5,244 62.5% 935 8,392 R+36.1
Piscataquis 1,761 28.5% 3,881 62.7% 546 6,188 R+34.3

Counties as they stood in 1978; some have since been split, merged or renamed. Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

Maine Senate elections we hold

YearWinnerMargin
2024 Angus King (other)
2020 Susan Margaret Collins (R) R+8.6
2018 Angus King (other)
2014 Susan Collins (R) R+37.0
2012 Angus King (other)
2008 Susan M. Collins (R) R+22.7
2006 Olympia Snowe (R) R+53.4
2002 Susan M. Collins (R) R+16.9
2000 Olympia J. Snowe (R) R+37.9
1996 Susan M. Collins (R) R+5.3
1994 Olympia J. Snowe (R) R+23.9
1990 William S. Cohen (R) R+22.7
1988 George J. Mitchell (D) D+62.6
1984 William S. Cohen (R) R+47.5
1982 George J. Mitchell (D) D+21.7
1978 William Cohen (R) R+22.7
1976 Edmund S. Muskie (D) D+20.4
1972 William Hathaway (D) D+6.5
1970 Ed Muskie (D) D+23.5
1966 Margaret Chase Smith (R) R+17.9
1964 Ed Muskie (D) D+33.2
1960 Margaret Chase Smith (R) R+23.3
1958 Ed Muskie (D) D+21.6
1954 Margaret Chase Smith (R) R+17.2
1952 Frederick Payne (R) R+23.8
1948 Margaret Chase Smith (R) R+42.6
1946 Ralph O. Brewster (R) R+27.1
1942 Wallace H. White Jr. (R) R+33.3
1940 Ralph O. Brewster (R) R+17.3
1936 Wallace H. White Jr. (R) R+1.5
1934 Frederick Hale (R) R+0.4
1930 Wallace H. White Jr. (R) R+21.9
1928 Frederick Hale (R) R+39.3
1924 Bert M. Fernald (R) R+20.9
1922 Frederick Hale (R) R+15.0
1918 Bert M. Fernald (R) R+10.8
1916 Frederick Hale (R) R+6.9