2018Final results
2018 election for New Hampshire House District 817
New Hampshire House of Representatives · New Hampshire
Susan Treleaven (D), Peter Bixby (D) and Kenneth S. Vincent (D) won the district's 3 seats.
3 seatsSusan TreleavenDemocrat · winner · incumbent
27.8%2,637
Peter BixbyDemocrat · winner · incumbent
26.1%2,476
Kenneth S. VincentDemocrat · winner · incumbent
24.8%2,353
Michael CastaldoRepublican
21.3%2,026
9,496 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)