2012Final results
2012 election for Massachusetts House District 166
Massachusetts House of Representatives · Massachusetts
Jeff Roy (D) won with 54.2% of the vote, defeating Richard A. Eustis (R) by 8.5 points.
Jeff RoyDemocrat · winner
54.2%11,850
Richard A. EustisRepublican
45.8%9,997
21,847 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 2012
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET