2018Final results
2018 election for Massachusetts Senate District 23
Massachusetts State Senate · Massachusetts
Jason Lewis (D) won with 67.0% of the vote, defeating Erin K. Calvobacci (R) by 34.0 points.
Jason LewisDemocrat · winner · incumbent
67.0%47,561
Erin K. CalvobacciRepublican
32.9%23,393
71,039 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET