Who Is Susan Collins and What Party Does She Belong To?
Is susan collins a democrat or republican is a straightforward question with a clear answer:
Susan Collins is a Republican.
She serves as the senior U.S. Senator from Maine and has held that seat since January 7, 1997.
Here are the key facts at a glance:
| Detail | Information |
|---|---|
| Party | Republican |
| State | Maine |
| Serving since | January 7, 1997 |
| Current term ends | 2026 |
| Senate seniority | 7th most senior member |
That said, Collins is not a typical partisan Republican. She is widely recognized as one of the most moderate and bipartisan members of the Senate — often crossing party lines on major votes. She has been ranked the most bipartisan senator multiple times by the Lugar Center and Georgetown University.
So while the party label is Republican, her voting record tells a more nuanced story. The sections below break it all down.

Is Susan Collins a Democrat or Republican?

When people ask, "is susan collins a democrat or republican," they are often looking for more than just a party registration. Officially, Susan Collins is a member of the Republican Party. She has represented the state of Maine in the U.S. Senate since the 105th Congress began in 1997 and continues to serve in the 119th Congress as of 2026.
However, her position within the party is unique. In the modern political landscape, where many politicians stick strictly to their party's platform, Collins is frequently described as a "moderate Republican" or a "centrist." According to Susan Collins | Biography & Facts | Britannica, she is the longest-serving Republican woman in Senate history, having surpassed the record previously held by the legendary Margaret Chase Smith.
To understand how she differs from the standard Republican mold, consider this comparison:
| Issue | Typical Republican Platform | Susan Collins' Record |
|---|---|---|
| Healthcare | Generally favors full repeal of the ACA | Voted against several ACA repeal bills in 2017 |
| Judicial Nominees | Usually votes 100% with party | Has voted to confirm many Democratic-appointed judges |
| Bipartisanship | Often votes along strict party lines | Ranked as the most bipartisan Senator for several years |
| Environment | Focuses on deregulation | Often supports environmental protections and climate research |
Because she represents Maine—a state known for its independent-minded voters—Collins has often had to balance the conservative goals of the national Republican Party with the more moderate or liberal views of her constituents.
A Record of Service: Tenure and State Representation

Susan Collins is a "Mainer" through and through. Born on December 7, 1952, in Caribou, Maine, she grew up in a family that deeply valued public service and hard work. Her family has operated a sixth-generation lumber business since 1844, and both of her parents served as mayors of Caribou. This local connection is a huge part of why she has been able to win five consecutive terms in a state that often leans toward Democrats in presidential elections.
Her journey to the Senate began long before her first election. She worked as a staffer for Senator Bill Cohen and held various roles in state and federal government. In 1994, she was the first female major-party nominee for Governor of Maine, though she finished third in that race. Undeterred, she ran for the Senate in 1996 and won, succeeding her former boss, Bill Cohen.
Since then, she has achieved several historic milestones:
- She is the first popularly elected U.S. Senator from Maine to win a fifth term.
- She is currently the seventh-most senior member of the entire U.S. Senate.
- She is the most senior Republican woman in the chamber.
According to Susan Collins, she has become the dean of Maine's congressional delegation, a role that gives her significant influence over federal policy that affects the Pine Tree State.
Moderate Ideology and Bipartisan Voting Record
Is Susan Collins a Democrat or Republican in her voting habits?
This is where the question of "is susan collins a democrat or republican" gets interesting. If you look at an ideology chart, you won't find her on the far right. In fact, GovTrack's analysis often places her as a "purple triangle" on their leadership-ideology map. This indicates that she sits on the moderate end of the Republican spectrum, often landing to the left of every other Republican and even some conservative Democrats.
According to data from Sen. Susan Collins [R-ME, 1997-2026], Senator for Maine, her voting record shows a high frequency of "crossing the aisle." For example:
- The Obama Era: She was one of only three Republicans to vote for the 2009 economic stimulus package.
- The Trump Era: While she supported many of President Trump's judicial nominees, she famously voted against the repeal of the Affordable Care Act (ACA) and was one of seven Republicans who voted to convict Trump in his second impeachment trial.
- The Biden Era: As of early 2022, she had voted with President Biden's positions approximately 75.6% of the time, a much higher rate than most of her Republican colleagues.
Bipartisan Legislative Successes:
- Electoral Count Reform Act (2022): A key piece of legislation aimed at clarifying the process of certifying presidential elections.
- HAVANA Act (2021): Providing support for government employees affected by mysterious brain injuries.
- Don't Ask, Don't Tell Repeal: She played a pivotal role in the 2010 repeal of the policy that barred gay and lesbian people from serving openly in the military.
- Paycheck Protection Program (PPP): She was a primary co-author of the program that saved millions of small business jobs during the COVID-19 pandemic.
Legislative Priorities and Key Committees
Collins doesn't just vote; she leads. As of May 2026, she holds some of the most powerful positions in Washington. Most notably, she serves as the Chair of the Senate Appropriations Committee (a role she took on in 2025). This committee has "power of the purse," meaning it oversees almost all discretionary federal spending.
Her committee assignments reflect her broad range of interests:
- Appropriations (Chair): Directing federal funds to critical national and Maine-specific projects.
- Select Committee on Intelligence: Overseeing the nation's intelligence agencies to ensure national security.
- Health, Education, Labor, and Pensions (HELP): Focusing on healthcare costs, education standards, and workforce development.
According to her official biography on About | U.S. Senator Susan Collins, she has successfully sponsored 54 bills that were enacted into law. When most bills die in committee, this is an exceptionally high number that proves her effectiveness as a legislator.
Attendance and Future Elections
Is Susan Collins a Democrat or Republican candidate in 2026?
As we look toward the November 2026 elections, the question of "is susan collins a democrat or republican" remains central to the campaign. Collins has officially announced her bid for a sixth term. While she is the only Republican candidate qualified for the primary ballot, she faces a stiff challenge from Democrats who hope to flip the seat to regain control of the Senate.
One of her strongest selling points is her legendary work ethic. Susan Collins holds the record for the longest perfect voting record in the history of the U.S. Senate. Between January 1997 and May 2026, she missed zero out of more than 9,915 roll call votes. This 100% attendance record is often cited as a sign of her dedication to the people of Maine.
However, the 2026 race is expected to be highly competitive. Recent news from Susan Collins backs Republican plan to fund ICE, Border Patrol highlights how she still aligns with her party on key issues like border security and immigration funding. This support for Republican budget plans helps shore up her base, even as Democratic challengers like Graham Platner argue that her long tenure is a reason for change.
Frequently Asked Questions about Susan Collins
How many bills has Susan Collins enacted as a primary sponsor?
Senator Collins is known for being an exceptionally productive lawmaker. She has been the primary sponsor of 54 bills that have been signed into law. This is a significant achievement, as the vast majority of bills introduced in Congress never make it to the President's desk. Her successes range from the "Social Security Fairness Act" to major funding increases for Alzheimer's and diabetes research.
What is Susan Collins' ideology rating according to GovTrack?
GovTrack classifies Susan Collins as a moderate Republican. On their ideology-leadership chart, she is consistently positioned near the center of the political spectrum. This data-driven metric analyzes the bills a senator cosponsors and compares them to the rest of the chamber. Collins frequently cosponsors bills with Democrats, which pulls her rating toward the middle, making her one of the most centrist members of the 119th Congress.
Has Susan Collins ever missed a Senate vote?
No. Senator Collins has a perfect attendance record. She has cast over 9,915 consecutive votes without a single absence since she first took office in 1997. She is the only senator in U.S. history to reach the 9,000-vote milestone without missing a single roll call. She often attributes this record to the "Maine work ethic" she learned growing up in Caribou.
Conclusion
So, is susan collins a democrat or republican? The answer is that she is a Republican by registration, but a centrist by reputation. Throughout her nearly 30 years in the Senate, she has carved out a space as a political independent who isn't afraid to break with her party when she believes it's in the best interest of Maine or the country. Whether she is chairing the Appropriations Committee or casting the deciding vote on a major piece of legislation, her influence in Washington is undeniable.
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