1984Flipped from DemocraticFinal results
1984 election for Massachusetts Senate District D12
Massachusetts State Senate · Massachusetts
Argeo Paul Cellucci (R) won with 54.5% of the vote, defeating Joseph W. Mullin (D) by 9.0 points, a seat Democrats won last time.
Argeo Paul CellucciRepublican · winner
54.5%37,150
Joseph W. MullinDemocrat
45.5%31,003
68,174 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 1984
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET