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 Merrimack 19
Mary Jane Wallner has no major-party opponent.
Mary Jane Wallner has no major-party opponent.
How this race is decided
The candidates
DemocraticIncumbent
Mary Jane Wallner
The district
Lean D+32: 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
- 7,902
- People per km²
- 192
- Adults with a B.A.+
- 40%
- White, no degree
- 46%of adults
- White 84%
- Hispanic 7%
- Black 4%
- Asian 1%
- Other / multiracial 4%
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
2,170 votes · Uncontested by the other party✓ Mary Jane Wallner (D)99.5%
2024 President Vote in this district
5,636 two-party votes · D+27.4 · D+28.9 vs. the nation✓ Kamala Harris (D)63.7%
Donald Trump (R)36.3%
2022
2,377 votes · D+50.1✓ Mary Jane Wallner (D)75.1%
Patrice Myers (R)24.9%
2020 Earlier district lines
2,959 votes · D+22.0✓ Christy D Bartlett (D)61.0%
Jonathan R Cate (R)39.0%
2020 President Vote in this district
3,592 two-party votes · D+43.7 · D+39.1 vs. the nation✓ Joe Biden (D)71.8%
Donald Trump (R)28.2%
2016 President Vote in this district
3,271 two-party votes · D+38.1 · D+35.9 vs. the nation✓ Hillary Clinton (D)69.1%
Donald Trump (R)30.9%
Also on the ballot in New Hampshire
Neighboring districts
State House District Merrimack 09Muriel Hall—D vs D4 seats>99%Dem.>99%Dem. State House District Merrimack 16Connie LaneLaurence Weissbrot>99%Dem.99%Dem. State House District Merrimack 17Beth Richards—>99%Dem.>99%Dem. State House District Merrimack 18Lisa D. BeaudoinElijah J. Wilson>99%Dem.>99%Dem. State House District Merrimack 20Nathan GiffardJonathan Clark>99%Dem.99%Dem. State House District Merrimack 21Timothy SoucyDarryl Berleth>99%Dem.>99%Dem.