1980Final results
1980 election for Massachusetts Senate District D21
Massachusetts State Senate · Massachusetts
Robert C. Buell (R) won with 57.3% of the vote, defeating William J. Gustus (D) by 14.6 points.
Robert C. BuellRepublican · winner · incumbent
57.3%39,786
William J. GustusDemocrat
42.7%29,675
69,469 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 1980
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET