Maine Senate
Primary: June 9, 2026
General Election
Democratic Primary
No One Running
Republican Primary
Susan Collins
Inc
$12.2M raised
F
Primary Opponents
David Costello
$150K raised
N/A
Phillip Rench
$55K raised
N/A
2020 Senate Results
Collins, Susan Margaret
vs51.0%
Gideon, Sara I.
42.4%
D+8.6
Candidate Details
Susan Collins
Republican
Grade: F
2026 Fundraising$12.2M
Individuals
PACs
David Costello
Democratic
Grade: N/A
2026 Fundraising$150K
Individuals
Self
PR
Phillip Rench
IND
Grade: N/A
2026 Fundraising$55K
Individuals
Self