Massachusetts's 3rd Congressional District elects one member to the U.S. House of Representatives. Below is the district's current representative, the members of Congress who held this seat before, and Massachusetts's two U.S. Senators.
Lori Trahan (Democrat) currently represents Massachusetts's 3rd Congressional District. See Lori Trahan's full voting record and key issue positions →
Members of Congress who previously represented Massachusetts's 3rd Congressional District: