2018Flipped from RepublicanFinal resultsIncumbent defeated
2018 election for Massachusetts Senate District 17
Massachusetts State Senate · Massachusetts
Becca Rausch (D) won with 51.2% of the vote, defeating Richard J. Ross (R) by 2.7 points, a seat Republicans won last time.
Becca RauschDemocrat · winner
51.2%37,830
Richard J. RossRepublican · incumbent
48.6%35,856
73,827 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