Maine Senate Election Winner
$1M Vol.Closes Nov 3, 2026
Democrat$638.5K Vol.66%
Republican$366.6K Vol.35%
Maine voters will decide the winner of the Class II U.S. Senate seat on November 3, 2026, as the Republican incumbent Susan Collins faces a Democratic nominee yet to be selected via convention.
The electorate includes Maine voters choosing between Republican Susan Collins and a replacement for withdrawn Democrat Graham Platner, with twelve potential candidates vying for the Democratic nomination.
WikipediaNew York TimesCollins, who has held the seat since 1997, secured the Republican nomination without opposition, while the Democratic Party must convene a special convention by July 27 to name a new candidate after Platner's withdrawal.
WikipediaThe GuardianThis race is a critical battle for Senate control in the 2026 midterms, with Democrats needing to unseat the long-serving Republican incumbent to help regain a majority in the chamber.
NBC NewsNew York TimesNote: The Democratic nominee will not be confirmed until the July 25 convention, meaning the full campaign dynamics and polling data for the Democratic side remain uncertain until a replacement is selected.
Republican incumbent Susan Collins officially announced her bid for a sixth term and remains the only candidate to qualify for the Republican primary ballot.
WikipediaNew York TimesDemocratic nominee Graham Platner withdrew from the 2026 Maine U.S. Senate race following sexual assault allegations and other controversies.
WikipediaThe GuardianTwelve Democrats have declared their intent to run for the Senate seat, with the Maine Democratic Party set to hold a nominating convention in Bangor on July 25 to select a replacement.
New York TimesMaine Democratic Party nominating convention in Bangor to select the new Democratic nominee for the U.S. Senate seat.
New York TimesAI-generated briefing. AI can make mistakes. This is not financial advice.
Incumbent Republican Susan Collins has held the seat for nearly 30 years and won the 2020 election with 51% of the vote against a Democratic opponent, demonstrating strong historical voter support.
WikipediaCollins faces no opposition in the Republican primary, securing her position as the sole Republican nominee without internal party division.
WikipediaWashington PostThe state is currently projected by some analysts to remain under Republican control for the Senate overall, with expectations that Republicans will hold the chamber in 2026.
youtube.comAI-generated briefing. AI can make mistakes. This is not financial advice.
The 2026 Maine Senate race is widely categorized as one of the most competitive Senate fights, with Collins facing a Republican incumbent challenge classification that signals high vulnerability.
WikipediaPrior to his withdrawal, Democratic candidate Graham Platner held a slim advantage over Collins in recent polls, indicating the Democratic nominee could still be competitive if they can rebuild his support base.
The GuardianThe race is crucial for Democrats' uphill battle to regain Senate control, creating significant fundraising and organizational motivation to unseat the incumbent.
New York TimesAI-generated briefing. AI can make mistakes. This is not financial advice.