99chambers

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

New Hampshire House of Representatives: State House District Grafton 10

A district of about 4,400 people, 35% of adults with a bachelor's degree. It votes R+6.7 relative to the nation for president.

John Sellers (R) · since Nov 8, 2022Flipped in 2026Next 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+6.7112th most
Democratic
Most DemocraticMost Republican83rd seat · the majority lineDistrict 410

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.

202220242026
New Hampshire House of RepresentativesR+18.5R+7.4D+3.3

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 410.

Adults with a bachelor's degree35% 34th pct · 105th of 159 in NH

Lower than 66% of seats.

White adults without a degree57% 61st pct · 62nd of 159 in NH

Higher than 61% of seats.

Hispanic residents2% 35th pct · 103rd of 159 in NH

Lower than 65% of seats.

Black residents0% 0th pct · 136th of 159 in NH

Lower than 100% of seats.

Asian residents4% 82nd pct · 29th of 159 in NH

Higher than 82% of seats.

People per square mile102 25th pct · 120th of 159 in NH

Less dense than 75% 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. 2 of the 4 flipped this year.

District 610
40% college gradsR+6.2SplitDistrict 1
36% college gradsR+7.0Flipped DDistrict 6
43% college gradsR+10.0SplitDistrict 807
35% college gradsR+3.8Flipped D

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. Marc E. Bourassa (D)
    2027– · Won 2026 by 3.3
  2. John Sellers (R)
    2025–2027 · Won 2024 by 7.4
  3. Carroll M. Brown Jr. (R)
    2023–2025 · Won 2022 by 18.5

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