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United States · Election results history · 2020 Senate · Maine
Election 2020 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.

2020 US Senate election in Maine

Susan Margaret Collins (Republican) beat Sara I Gideon (Democrat) in Maine in 2020, 51.0% to 42.4%, a margin of 8.6 points and 70,422 votes.

The Republican hold continued from 2014, when Susan Collins also won.

Republicans led in 14 of the 17 counties and Democrats in 3. The largest, Cumberland, cast 193,984 votes and went to the Democrat by 15.8 points. The closest was Knox, where 485 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
Susan Margaret Collins won Republican 417,645 51.0%
Sara I Gideon Democratic 347,223 42.4%
All other candidates 54,315 6.6%
Total819,183

Every county

CountyDemocratRepublicanOthersTotalMargin
Cumberland 105,308 54.3% 74,592 38.5% 14,084 193,984 D+15.8
York 57,826 44.6% 64,092 49.5% 7,660 129,578 R+4.8
Penobscot 28,958 34.0% 51,088 60.0% 5,161 85,207 R+26.0
Kennebec 27,664 38.5% 39,481 54.9% 4,741 71,886 R+16.4
Androscoggin 22,181 37.8% 32,979 56.2% 3,530 58,690 R+18.4
Aroostook 9,750 27.4% 24,033 67.5% 1,818 35,601 R+40.1
Hancock 15,379 43.5% 17,371 49.2% 2,565 35,315 R+5.6
Oxford 11,705 35.0% 19,567 58.5% 2,150 33,422 R+23.5
Somerset 7,355 26.7% 17,861 64.9% 2,298 27,514 R+38.2
Knox 12,190 47.3% 11,705 45.4% 1,863 25,758 D+1.9
Waldo 9,768 40.2% 12,538 51.6% 2,007 24,313 R+11.4
Sagadahoc 10,787 44.9% 11,558 48.1% 1,694 24,039 R+3.2
Lincoln 10,102 42.7% 12,075 51.1% 1,463 23,640 R+8.3
Franklin 6,276 36.1% 9,817 56.5% 1,291 17,384 R+20.4
Washington 5,251 30.3% 11,196 64.6% 895 17,342 R+34.3
Piscataquis 2,655 26.9% 6,603 67.0% 604 9,862 R+40.0
State Uocava 4,068 72.0% 1,089 19.3% 491 5,648 D+52.7

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