Keith Ammon
New Hampshire State Representative, District 542 since 2014. Did not run for re-election in 2026; leaves office in January 2027.
- In office
- 12 yrs
- Since 2014
- Bills became law
- 5
- 16 sponsored, 2025–2026 session
- Votes missed
- 4.1%
- Chamber median 5.8%
- With party
- 97%
- On votes splitting the parties
- Last margin
- +0.0
- Won 2024
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 9:43 AM ET
Committees
As of 2026-10.
- Commerce and Consumer Affairs
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
Became law Jul 2026
Became law Jun 2026
Vetoed May 2026
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Ammon sits in the New Hampshire House of Representatives
Ammon is closer to the center than 51% of the chamber's Republicans.
Closest: Mary Murphy, Judy Aron, Matt Drew
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:56 PM ET
With Ammon’s party
- Votes with the chamber's Republicans97%
- Cosponsorships of the other party's bills7%
Black tick: the average of Republicans in the New Hampshire House of Representatives.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Ammon’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.
| Date | Bill | Ammon | Rep. majority | Dem. majority | Result |
|---|---|---|---|---|---|
| Aug 19, 2026 | HB 221: enabling electric utilities to own, operate, and offer advanced nuclear resources, and… | Yes | Yes | No | Failed 152–167 |
| Aug 19, 2026 | HB 1337: repealing the New Hampshire council on autism spectrum disorders. | Yes | Yes | No | Failed 148–172 |
| Aug 19, 2026 | HB 1442: permitting classification of individuals based on biological sex under certain limited… | Yes | Yes | No | Passed 165–149 |
| Aug 19, 2026 | HB 1358: establishing a commission to study transitioning all public schools to public charter… | Yes | Yes | No | Failed 150–166 |
| Aug 19, 2026 | HB 1726: relative to the sale of surplus state-owned land and establishing a commission to study… | No | Yes | No | Failed 101–206 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Ammon 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 |
|---|---|---|---|
| 2024 | New Hampshire House of Representatives, District 542 | Won | Even |
| 2022 | New Hampshire House of Representatives, District 542 | Won | D+0.3 |
| 2020 | New Hampshire House of Representatives, District HILLSBOROUGH 40 | Won | R+4.2 |
| 2018 | New Hampshire House of Representatives, District HILLSBOROUGH 40 | Lost | D+4.3 |
| 2016 | New Hampshire House of Representatives, District HILLSBOROUGH 40 | Won | R+6.8 |
| 2014 | New Hampshire House of Representatives, District HILLSBOROUGH 40 | Won | R+15.3 |
Source: 99chambers results archive
Seats Ammon has held
- New Hampshire House of Representatives, District 542 · since 2022
- New Hampshire House of Representatives, District HILLSBOROUGH 40 · since 2020
- New Hampshire House of Representatives, District HILLSBOROUGH 40 · since 2014
Source: 99chambers results archive
Who Ammon has run against
- Lisa Cm Post (R) · 2024 general, won
- Lisa C. M. Post (R) · 2022 general, won
- Ben Ming (D) · 2020 general, won
- Kat McGhee (D) · 2018 general, lost
- Kat McGhee (D) · 2016 general, won
- Mullaney (D) · 2014 general, won
Source: 99chambers results archive
How we know Ammon
One person, matched across every source we use.
- Open States ocd-person/c975be5b-c686-4489-92d2-5b8ba36f9974
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET