One of Maine's two votes in the U.S. Senate. Senators write and vote on federal laws, taxes and spending, and approve or reject the president's picks for federal judges, the Supreme Court and the Cabinet. A term is six years. source: usa.gov
Susan Collins (Republican) holds this seat today and is running again. Angus King (Independent) holds the other seat, which is not up this year. This race uses ranked-choice voting. The Democratic primary winner, Graham Platner, withdrew on July 10, 2026; the Maine Democratic Party named Troy Jackson to replace Platner; the Secretary of State received the replacement nomination on July 27, 2026.