2026CalledUnofficial results
2026 election for New Hampshire House of Representatives: Hillsborough 40
New Hampshire House of Representatives · New Hampshire
Democratic (D) won the district's 3 seats.
400-member House
DemocraticDemocrat · winner
63.4%34,940
RepublicanRepublican
36.5%20,129
NonpartisanNonpartisan
0.0%21
Democratic won without an opponent on the ballot.100% of the expected vote counted · 55,090 votes
Source: civicAPI unofficial results and race callsUpdated Nov 7, 2026, 7:01 PM ET
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
- Mark S. Mackenzie
- 89%
- Bill O'Brien
- 11%
- Projected margin
- D+8.9
The candidates
Democratic (D)
Republican (R)
Also on the ballot: Nonpartisan (Nonpartisan), 0.0%