400-member House
The House has 400 members, one of the largest legislatures in the world. Districts are named by county and number ('Hillsborough 12'); many elect several members, and voters pick as many candidates as there are seats.
New Hampshire › New Hampshire House of Representatives · State legislature · November 3, 2026 · Updated Oct 16, 2026
New Hampshire House of Representatives: State House District Rockingham 10
D vs D3 seatsSame-party general election. Two Democrats advanced to November: the seat stays Democratic.
Michael Cahill has no major-party opponent.
Michael Cahill has no major-party opponent.
3 seats in this district
3.0 D · 0.0 R expected of 3 seats
3.0 D · 0.0 R expected of 3 seats
How this race is decided
The candidates
The district
Lean D+30: how much more Democratic or Republican than the nation it votes for president.
Presidential vote
Precinct results re-aggregated to the current district lines.
Who lives here
- Population
- 11,486
- People per km²
- 207
- Adults with a B.A.+
- 53%
- White, no degree
- 44%of adults
- White 92%
- Hispanic 2%
- Black 1%
- Asian 1%
- Other / multiracial 5%
American Community Survey 2020–2024, aggregated from census tracts.
Past results
Results in the same-numbered district; earlier elections may have used different lines.
2024
14,647 votes · D+18.0✓ Michael Cahill (D)27.8%
✓ Ellen Read (D)26.8%
✓ Toni Weinstein (D)25.9%
Jeanene Cooper (R)19.3%
2024 President Vote in this district
7,150 two-party votes · D+29.7 · D+31.2 vs. the nation✓ Kamala Harris (D)64.8%
Donald Trump (R)35.2%
2022
30,520 votes · D+25.6✓ Michael Cahill (D)22.6%
✓ Ellen Read (D)21.6%
✓ Charlotte Dilorenzo (D)21.5%
Jeanene Cooper (R)13.4%
Richard Chamberland (R)10.9%
2020 Earlier district lines
2,691 votes · R+22.6✓ Dennis Acton (R)61.3%
Ellen Marie Douglas (D)38.7%
2020 President Vote in this district
7,109 two-party votes · D+31.4 · D+26.9 vs. the nation✓ Joe Biden (D)65.7%
Donald Trump (R)34.3%
2016 President Vote in this district
6,070 two-party votes · D+23.9 · D+21.7 vs. the nation✓ Hillary Clinton (D)61.9%
Donald Trump (R)38.1%
Also on the ballot in New Hampshire
Neighboring districts
State House District Rockingham 05Mark ValloneJohn ScullyFlip riskR flip51%Rep.82%Rep. State House District Rockingham 11Julie GilmanRobert Goeman3 seats>99%Dem.>99%Dem. State House District Rockingham 12Allison KnabPatrick Abrami2 seats99%Dem.98%Dem. State House District Rockingham 21Anna Howard—>99%Dem.>99%Dem. State House District Rockingham 24Dennis MalloyMarilyn Page>99%Dem.98%Dem. State House District Strafford 10Loren Selig—D vs D4 seats>99%Dem.>99%Dem. State House District Strafford 11Janet G. WallMonique Meadows3 seats>99%Dem.>99%Dem.