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.

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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