1992Final results
1992 election for Massachusetts Senate District D20
Massachusetts State Senate · Massachusetts
John D. Obrien Jr. (D) won with 54.1% of the vote, defeating James J. Gaffney III (R) by 8.3 points.
John D. Obrien Jr.Democrat · winner
54.1%32,340
James J. Gaffney IIIRepublican
45.9%27,383
59,723 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 1992
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET