2020 general · November 3, 2020
2020 Massachusetts State Senate election results, district by district
Every Massachusetts State Senate district in the 2020 general election: winners, margins, unopposed seats and seats that changed party.
Seats after the election
Democrats controlled the chamber · 40 seats
After the electionD 37 · R 3
Races40
Changed party1
Unopposed75%30 races
Incumbents defeated1
Every district
D 37 · R 3
| Race | Winner | Won by | Notes |
|---|---|---|---|
| SD-1 | Nick Collins (D) | Unopposed | |
| SD-2 | Sonia Rosa Changdiaz (D) | Unopposed | |
| SD-3 | Adam Gómez (D) | Unopposed | |
| SD-4 | Adam G. Hinds (D) | Unopposed | |
| SD-5 | John Velis (D) | 28.1 | |
| SD-6 | Jo Comerford (D) | Unopposed | |
| SD-7 | Eric P. Lesser (D) | Unopposed | |
| SD-8 | Anne M. Gobi (D) | 5.7 | |
| SD-9 | John Cronin (D) | 2.0 | FlippedIncumbent lost |
| SD-10 | Harriette L. Chandler (D) | Unopposed | |
| SD-11 | Mike Moore (D) | Unopposed | |
| SD-12 | Ryan Fattman (R) | 20.9 | |
| SD-13 | Edward J. Kennedy Jr. (D) | Unopposed | |
| SD-14 | Jamie Eldridge (D) | Unopposed | |
| SD-15 | Karen Spilka (D) | Unopposed | |
| SD-16 | Mike Barrett (D) | Unopposed | |
| SD-17 | Becca Rausch (D) | 19.5 | |
| SD-18 | Barry Finegold (D) | Unopposed | |
| SD-19 | Diana DiZoglio (D) | Unopposed | |
| SD-20 | Bruce Tarr (R) | Unopposed | |
| SD-21 | Joan Lovely (D) | Unopposed | |
| SD-22 | Brendan Crighton (D) | Unopposed | |
| SD-23 | Jason Lewis (D) | Unopposed | |
| SD-24 | Cindy Friedman (D) | 98.0 | |
| SD-25 | Pat Jehlen (D) | Unopposed | |
| SD-26 | Sal DiDomenico (D) | Unopposed | |
| SD-27 | Joseph A. Boncore (D) | Unopposed | |
| SD-28 | Will Brownsberger (D) | Unopposed | |
| SD-29 | Cynthia Creem (D) | Unopposed | |
| SD-30 | Mike Rush (D) | Unopposed | |
| SD-31 | Paul Feeney (D) | Unopposed | |
| SD-32 | Walter F. Timilty Jr. (D) | Unopposed | |
| SD-33 | John Keenan (D) | 38.8 | |
| SD-34 | Patrick O'Connor (R) | 10.0 | |
| SD-35 | Mike Brady (D) | Unopposed | |
| SD-36 | Marc R. Pacheco (D) | Unopposed | |
| SD-37 | Michael Rodrigues (D) | Unopposed | |
| SD-38 | Mark Montigny (D) | Unopposed | |
| SD-39 | Susan Lynn Moran (D) | 12.6 | |
| SD-40 | Julian Cyr (D) | 98.3 |
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: MIT Election Data and Science Lab