2018Flipped from RepublicanFinal resultsIncumbent defeated
2018 election for New Hampshire House District 405
New Hampshire House of Representatives · New Hampshire
Jerry Stringham (D) won with 50.4% of the vote, defeating Bonnie Ham (R) by 0.9 points, a seat Republicans won last time.
Jerry StringhamDemocrat · winner
50.4%749
Bonnie HamRepublican · incumbent
49.5%735
1,486 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: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET