What party is Susan Collins?

Susan Collins is running as a Republican.

Is Susan Collins the incumbent?

Yes. Susan Collins currently holds this office.

Who is Susan Collins running against?

Troy Jackson, for Maine U.S. Senate.

Should I vote for Susan Collins?

SpectrumVote doesn't endorse anyone or tell you how to vote. Compare Susan Collins's record, funding and endorsements with the other candidates in this race and decide based on what matters to you.

Susan Collins

Republican · Candidate for Maine U.S. Senate · Incumbent · November 3, 2026

Where they stand

Center, from their votes in Congress (DW-NOMINATE, Voteview). Senate roll-call votes, 119th Congress.

Source: data · how scores are linked to one scale.

Donor-based DIME score: slightly right.

AI read of their current public record: center.

Issue by issue

Abortion	Slightly left
Health care	Center

AI-estimated from their own website and Wikipedia article, only where they state a position.

Voting record in Congress

In the Senate (119th Congress, 915 votes): missed 0% of votes, voted with their party 83.4% of the time.

Sponsored 31 bills (1 became law), mostly on health, education, taxation.

Source: Voteview.

Outside spending

Independent groups reported $7.1M supporting and $30M opposing Susan Collins.

For
Stronger Maine · Single-candidate super PAC (supports Susan Collins)	$1.7M
Lead Maine Committee, Inc. · Single-candidate super PAC (supports Susan Collins)	$1.3M
SLF PAC · Republican Senate leadership super PAC	$1.1M
America's Credit Unions · Business / industry	$951K
America PAC · Conservative advocacy	$634K
Clearpath Action Fund, Inc. · Environment / climate	$616K
Against
Winsenate · Democratic Senate leadership super PAC	$25M
Planned Parenthood Votes · Abortion rights	$1.3M
END Citizens United Action Fund · Campaign finance reform	$1.0M
LCV Victory Fund · Environment / climate	$771K
AB PAC · Progressive advocacy	$628K
Reproductive Freedom for All Freedom Fund	$490K

Source: FEC independent expenditures.

Endorsements

Executive branch officials: JD Vance, Jeff Flake, Nikki Haley, Donald Trump
U.S. senators: Steve Daines, Mitt Romney, Tim Scott, John Thune, John Cornyn, Joe Manchin
State legislators: Laurel Libby, Cynthia Dill
Organizations: AIPAC, ClearPath Foundation, Log Cabin Republicans, National Republican Senatorial Committee, No Labels, Republican Jewish Coalition and 2 more
Tribal governments: Passamaquoddy Tribe at Sipayik

More about Susan Collins

Campaign website · Wikipedia · Ballotpedia

Also running

Troy Jackson · Democrat

Compare everyone in this race →

Quick answers

What party is Susan Collins?: Susan Collins is running as a Republican.
Is Susan Collins the incumbent?: Yes. Susan Collins currently holds this office.
Who is Susan Collins running against?: Troy Jackson, for Maine U.S. Senate.
Is Susan Collins liberal or conservative?: On SpectrumVote's left–right scale, Susan Collins is center, from their votes in Congress (DW-NOMINATE, Voteview). This comes from published research, not our opinion.
Should I vote for Susan Collins?: SpectrumVote doesn't endorse anyone or tell you how to vote. Compare Susan Collins's record, funding and endorsements with the other candidates in this race and decide based on what matters to you.

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