2004 general · November 2, 2004
2004 Massachusetts State Senate election results, district by district
Every Massachusetts State Senate district in the 2004 general election: winners, margins, unopposed seats and seats that changed party.
Seats after the election
Democrats controlled the chamber · 40 seats
After the electionD 34 · R 6
Races37
Changed party2
Unopposed27%10 races
Incumbents defeated2
Every district
D 32 · R 5
Massachusetts State Senate
Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: Harvard Dataverse / Carl Klarner