2018Final results
2018 election for Massachusetts House District 148
Massachusetts House of Representatives · Massachusetts
Mike Day (D) won with 59.4% of the vote, defeating Caroline Colarusso (R) by 22.0 points.
Mike DayDemocrat · winner · incumbent
59.4%13,000
Caroline ColarussoRepublican
37.4%8,195
Kateen R. KumarIndependent
3.2%692
21,887 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