2010Flipped from DemocraticFinal resultsIncumbent defeated
2010 election for New Hampshire House District 710
New Hampshire House of Representatives · New Hampshire
Bruce A. Macmahon (R) won with 55.8% of the vote, defeating Don Petterson (D) by 11.6 points, a seat Democrats won last time.
Bruce A. MacmahonRepublican · winner
55.8%877
Don PettersonDemocrat · incumbent
44.2%694
1,571 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