
Massachusetts House of Representatives' 12th Middlesex district in the United States is one of 160legislative districts included in thelower house of theMassachusetts General Court. It covers part of the city ofNewton inMiddlesex County.[1][2]Democrat Greg Schwartz has represented the district since 2025.
The current district geographic boundary overlaps with that of the Massachusetts Senate's1st Middlesex and Norfolk district.[3]
The district previously coveredWaltham, circa 1872.[12]
State House Districts to State Senate Districts
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