2022Final results
2022 election for Massachusetts House District 66
Massachusetts House of Representatives · Massachusetts
James Arena-DeRosa (D) won with 65.0% of the vote, defeating Loring Barnes (R) by 30.0 points.
James Arena-DeRosaDemocrat · winner
65.0%12,916
Loring BarnesRepublican
35.0%6,947
19,873 votes
Source: MIT Election Data and Science LabUpdated Oct 2, 2026, 5:14 AM ET
The seat over time
D − R margin in this seat's races around 2022
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 2, 2026, 5:14 AM ET