The Maine primary will be held on June 9, 2026. Voters will cast their ballots in the U.S. House, U.S. Senate and governor’s races.

Maine’s Republican-held Senate seat is one of three Senate contests rated as toss-ups this year.

Graham Platner is seeking to make a Democratic nomination for U.S. Senate official in advance of one of the most anticipated contests of the year.

Voters are heading to the polls on June 9, 2026.

It’s official: the Democrats are heading to the midterms with an oysterman from Maine.