The Massachusetts State Senate Democratic Primary on September 15, 2026, is a partisan primary election in which registered Democrats will vote to select their party's nominee for various State Senate districts across the Commonwealth. The winners will advance to the general election in November 2026 to represent their districts in the Massachusetts State Senate, the upper chamber of the state legislature.
The Massachusetts State Senate Democratic Primary on September 15, 2026, is a partisan primary election in which registered Democrats will vote to select their party's nominee for various State Senate districts across the Commonwealth. The winners will advance to the general election in November 2026 to represent their districts in the Massachusetts State Senate, the upper chamber of the state legislature.
To vote in the Massachusetts State Senate Democratic Primary, registered Democrats must cast their ballot either in person on Election Day, September 15, 2026, during early voting from September 5 to September 11, 2026, or by absentee/mail-in ballot if eligible. Voters must be registered by August 16, 2026, and can verify their registration, find their polling place, and request a mail-in ballot through the Massachusetts Secretary of the Commonwealth's website at www.sec.state.ma.us.