2016Final results
2016 election for Massachusetts Senate District 18
Massachusetts State Senate · Massachusetts
Barbara A. Litalien (D) won with 63.4% of the vote, defeating Susan M. Laplante (R) by 27.0 points.
Barbara A. LitalienDemocrat · winner · incumbent
63.4%45,218
Susan M. LaplanteRepublican
36.4%25,973
71,291 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET