2026 Massachusetts Senate election

2026 Massachusetts Senate election

November 3, 2026

All 40 seats in the Massachusetts Senate
21 seats needed for a majority
  Majority party Minority party
 
Leader Karen Spilka Bruce Tarr
Party Democratic Republican
Leader since February 28, 2018 January 3, 2011
Leader's seat Middlesex and Norfolk 1st Essex and Middlesex
Last election 35 seats 5 seats
Seats before 35 5

President before election

Karen Spilka
Democratic

Elected President

TBD

The 2026 Massachusetts Senate election will be held on November 3, 2026, alongside the other 2026 United States elections. Primary elections will be held on September 1, 2026. Voters will elect members of the Massachusetts Senate in all 40 of the U.S. state of Massachusetts's legislative districts to serve a two-year term. The election will coincide with United States national elections and Massachusetts state elections, including U.S. Senate, U.S. House, Governor, and Massachusetts House.

Democrats won 35 seats in 2024. This fell to 34 after state senator Ed Kennedy died in October 2025. He was replaced in a general election by fellow Democrat Vanna Howard, bringing Democrats back to 35 seats. Republicans would need to net 16 seats to flip control of the chamber.