The 2020 Massachusetts general election was held on November 3, 2020, throughout Massachusetts. Primary elections were held on September 1, 2020. At the federal level, all nine seats in the United States House of Representatives were contested. Also contested was the United States Senate seat held by Ed Markey. At the state level, all seats in the Massachusetts General Court (state legislature) were contested. To vote by mail, registered Massachusetts voters had to request a ballot by October 30, 2020. As of early October some 504,043 voters had requested mail ballots.