99chambers

New Hampshire House of Representatives seat · lines in effect since 2022

New Hampshire House of Representatives: State House District Hillsborough 29

A district of about 19,000 people, 43% of adults with a bachelor's degree. It votes R+2.4 relative to the nation for president.

Henry Giasson (R) · since Nov 5, 2024Joe Alexander (R) · since Nov 6, 2018Sherri Reinfurt (R) · since Nov 5, 2024Next election Nov 7, 2028The 2026 race →

Where it sits among all 164 seats

Every New Hampshire House of Representatives seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

R+2.4100th most
Democratic
Most DemocraticMost Republican83rd seat · the majority lineDistrict 529

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

20222024
New Hampshire House of RepresentativesD+0.1R+0.9

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 164 seats. Small marks are other seats in New Hampshire. The black marker is District 529.

Adults with a bachelor's degree43% 61st pct · 62nd of 159 in NH

Higher than 61% of seats.

White adults without a degree53% 44th pct · 90th of 159 in NH

Lower than 56% of seats.

Hispanic residents2% 43rd pct · 91st of 159 in NH

Lower than 57% of seats.

Black residents1% 61st pct · 62nd of 159 in NH

Higher than 61% of seats.

Asian residents3% 73rd pct · 44th of 159 in NH

Higher than 73% of seats.

People per square mile492 60th pct · 64th of 159 in NH

Denser than 60% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET

Seats most like this one

Nearest seats on demographics, density and lean. 1 of the 4 flipped this year.

District 610
40% college gradsR+6.2SplitDistrict 807
35% college gradsR+3.8Flipped DDistrict 536
44% college gradsR+2.4Held DDistrict 716
48% college gradsR+3.9Split

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Who has held it

These lines took effect in 2022.

  1. Democratic (D)
    2027– · Won 2026 unopposed
  2. Sherri Reinfurt (R)
    2025–2027 · Won 2024 by 1.8
  3. Henry R. Giasson III (R)
    2025–2027 · Won 2024 by 0.9
  4. Sheila Seidel (R)
    2023–2027 · Won 2022 by 1.1, 2024 by 4.2
  5. Judi L. Lanza (D)
    2023–2025 · Won 2022 by 0.1
  6. Joe Alexander (R)
    2023–2027 · Won 2022 by 2.2, 2024 by 5.7
  7. Fred Plett (R)
    2023–2025 · Won 2022 by 1.4

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)