2018 Massachusetts Senate election

The 2018 Massachusetts Senate election took place on November 6, 2018 to elect members of the Massachusetts Senate. Massachusetts voters elected all 40 members of the State Senate to serve two-year terms in the Massachusetts General Court. The election coincided with United States national elections and Massachusetts state elections, including U.S. Senate, U.S. House, and Massachusetts House.

Registered4,574,967 ^[1] ( 0.88 pp)

Turnout60.17% ( 14.34 pp)

Quick facts All 40 seats in the Massachusetts Senate 21 seats needed for a majority, Registered ...

2018 Massachusetts Senate election

← 2016 November 6, 2018 2020 →
All 40 seats in the Massachusetts Senate 21 seats needed for a majority
Registered	4,574,967 [1] ( 0.88 pp)
Turnout	60.17% ( 14.34 pp)
Majority party Minority party   Leader Karen Spilka Bruce Tarr Party Democratic Republican Leader since February 28, 2018 January 3, 2011 Leader's seat 2nd Middlesex and Norfolk 1st Essex and Middlesex Last election 34 seats 6 seats Seats before 31 7 Seats won 34 6 Seat change 3 1
Results of the elections:      Democratic gain      Democratic hold      Republican hold
President before election Karen Spilka Democratic Elected President Karen Spilka Democratic

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Democrats expanded their supermajority from 31 seats before the election to 34 after the election.