2020Final results
2020 election for U.S. Senate in Maine
U.S. Senate · Maine
Susan Collins (R) won with 51.0% of the vote, defeating Sara I. Gideon (D) by 8.6 points.
Susan CollinsRepublican · winner
51.0%417,645
Sara I. GideonDemocrat
42.4%347,223
Lisa SavageIndependent
5.0%40,579
Max Patrick LinnIndependent
1.6%13,508
819,183 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Sara I. GideonSusan Collins
$75.6M
Raised by the campaign
$27.9M
$64.1M
Spent by the campaign
$29.2M
$11.6M
Cash on hand
$1.3M
Other candidates' campaigns: Max Patrick Linn $544.4K · Lisa Savage $208.8K.
Campaign money: FEC, through Dec 31, 2020.
Source: FEC campaign filingsUpdated Dec 31, 2020
The candidates
Susan Collins (R)Sara I. Gideon (D)Lisa Savage (I)
Also on the ballot: Max Patrick Linn (Independent), 1.6%