2020Final results
2020 election for Massachusetts Senate District 5
Massachusetts State Senate · Massachusetts
John Velis (D) won with 63.9% of the vote, defeating John Francis Cain (R) by 28.1 points.
John VelisDemocrat · winner
63.9%50,100
John Francis CainRepublican
35.8%28,078
78,355 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET