New Hampshire State Senate seat · lines in effect since 2022
New Hampshire Senate District 18
A district of about 55,000 people, 29% of adults with a bachelor's degree. It votes D+4.8 relative to the nation for president.
Where it sits among all 24 seats
Every New Hampshire State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.
Democratic
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.
| 2020 | 2022 | 2024 | 2026 | |
|---|---|---|---|---|
| U.S. Senate | D+18.3 | No race | No race | No race |
| Governor | R+36.2 | No race | No race | No race |
| New Hampshire State Senate | No race | D+4.8 | R+2.9 | D+10.0 |
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 24 seats. Small marks are other seats in New Hampshire. The black marker is District 18.
Lower than 91% of seats.
Higher than 52% of seats.
Higher than 96% of seats.
Higher than 83% of seats.
Higher than 83% of seats.
Denser than 91% 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 1245% college gradsD+3.5Flipped DDistrict 13
40% college gradsD+15.4Held DDistrict 20
37% college gradsD+10.4Held DDistrict 16
39% college gradsR+6.7Flipped 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.
- Leonard Bell (D)
2027– · Won 2026 by 10.0 - Victoria Sullivan (R)
2025–2027 · Won 2024 by 2.9 - Donna M. Soucy (D)
2023–2025 · Won 2022 by 4.8
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)