2020Flipped from DemocraticFinal resultsIncumbent defeated
2020 election for New Hampshire House District 407
New Hampshire House of Representatives · New Hampshire
Mark Alliegro (R) won with 51.2% of the vote, defeating Richard Osborne (D) by 2.5 points, a seat Democrats won last time.
Mark AlliegroRepublican · winner
51.2%1,064
Richard OsborneDemocrat · incumbent
48.7%1,012
2,078 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET