
Incumbent Sen. Susan Collins (R) and Troy Jackson (D) are running in the general election for the U.S. Senate in Maine on Nov. 3, 2026. On July 10, 2026, Graham Platner (D), the winner of the 2026 Democratic primary for the U.S. Senate in Maine, withdrew from the general election following an allegation of sexual assault. As a result, the Maine Democratic Party held a nominating convention to select…

Graham Platner (D) defeated David Costello (D) to win the Democratic primary for U.S. Senate in Maine on June 9. Platner will face incumbent Susan Collins (R) in the general election on Nov. 3. Ahead of the primary, the New York Times wrote, "To have any chance of retaking the Senate, Democrats must defeat Ms.…

Three candidates are running in the Democratic primary for U.S. Senate in Maine on June 9. As of April 2026, Janet T. Mills (D) and Graham Platner (D) lead in media attention, fundraising, polling, and endorsements. The winner of the primary will face incumbent Susan Collins (R) in the general election. According to the New…

Maine Gov. Janet Mills has announced her candidacy for U.S. Senate against incumbent Susan Collins (R) in 2026. In her launch video, Mills said, “I won’t sit idly by while Maine people suffer and politicians like Susan Collins bend the knee as if this were normal.” Mills is finishing her second term as governor. She…