2010Final results
2010 election for New Hampshire Senate District 20
New Hampshire State Senate · New Hampshire
Lou Dallesandro (D) won with 50.8% of the vote, defeating Joseph Levasseur (R) by 1.6 points.
Lou DallesandroDemocrat · winner · incumbent
50.8%6,656
Joseph LevasseurRepublican
49.2%6,442
13,098 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 2010
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET