1983Final resultsSpecial election
1983 special election for Massachusetts Senate District D24
Massachusetts State Senate · Massachusetts
Nicholas J. Costello (D) won with 46.4% of the vote, defeating Byron J. Matthews (R) by 1.4 points.
Nicholas J. CostelloDemocrat · winner
46.4%10,914
Byron J. MatthewsRepublican
45.0%10,594
Raffi TakesianIndependent
8.5%2,009
23,534 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 1983
Races before and after
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)