Rita Mattson
New Hampshire State Representative, District since 2024. Lost the 2026 race for New Hampshire House of Representatives: Cheshire 18.
- In office
- 1 yr
- Since 2024
- Bills became law
- 1
- 1 sponsored, 2025–2026 session
- Last margin
- +1.1
- Won 2024
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:51 PM ET
Committees
As of 2026-10.
- Science, Technology and Energy
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
Became law Jul 2026
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Career
Offices held, and every time Mattson was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.
Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Elections
Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.
| Year | Race | Result | Margin | Seat | +/− |
|---|---|---|---|---|---|
| 2026 | New Hampshire House of Representatives: Cheshire 18 | Lost | — | D+2.8 | — |
| 2024 | New Hampshire House of Representatives, CHESHIRE 018 | Won | R+1.1 | — | — |
| 2022 | New Hampshire House of Representatives, District 213 | Lost | D+7.6 | — | — |
| 2020 | New Hampshire House of Representatives, District 209 | Lost | D+7.6 | — | — |
Source: 99chambers results archive; 2026: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Seats Mattson has held
- New Hampshire House of Representatives, District CHESHIRE 018 · since 2024
Source: 99chambers results archive
Who Mattson has run against
- Democratic (D) · 2026 general, lost
- Jim Qualey (R) · 2024 election, won
- Dick Ames (D) · 2022 election, lost
Source: 99chambers results archive; 2026: civicAPI (unofficial)
How we know Mattson
One person, matched across every source we use.
- Open States ocd-person/6554d13d-8086-437d-8b44-e5a164b34933
- Wikidata Q134581172
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:51 PM ET