2000Final results
2000 election for Massachusetts House District 31
Massachusetts House of Representatives · Massachusetts
Douglas W. Petersen (D) won with 80.9% of the vote, defeating David Alan Rizzo (Lib) by 61.7 points.
Douglas W. PetersenDemocrat · winner · incumbent
80.9%14,857
David Alan RizzoLibertarian
19.1%3,516
18,373 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 2000
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET