1970Flipped from DemocraticFinal resultsIncumbent defeated
1970 election for Massachusetts House District 40
Massachusetts House of Representatives · Massachusetts
William G. Arvanitis (R) won with 53.1% of the vote, defeating Lawrence P. Smith (D) by 6.2 points, a seat Democrats won last time.
William G. ArvanitisRepublican · winner
53.1%4,575
Lawrence P. SmithDemocrat · incumbent
46.9%4,037
8,612 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 1970
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET