Mark Duncan
New Mexico State Representative, District 2 since 2022. Ran in 3 elections between 2020 and 2024, winning 2. Re-elected in 2026. Next on the ballot in 2028.
- In office
- 3 yrs
- Since 2022
- Bills became law
- 4
- 33 sponsored, 2025–2026 session
- Votes missed
- 5.1%
- Chamber median 6.4%
- With party
- 88%
- On votes splitting the parties
- Last margin
- +40.4
- Won 2022
- Next election
- 2028
- Nov 7, 2028
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:52 PM ET
Committees
As of 2026-10.
- Legislative Finance · standing advisory
- Taxation and Revenue · ranking member
- Appropriations and Finance
- Investments and Pensions Oversight
- Revenue Stabilization and Tax Policy
- Rules and Order of Business
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
No bills in this list for the 2025–2026 session.
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Duncan sits in the New Mexico House of Representatives
Duncan is closer to the center than 65% of the chamber's Republicans.
Closest: Jenifer Jones, Tanya Moya, Bill Hall
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:57 PM ET
With Duncan’s party
- Votes with the chamber's Republicans88%
Black tick: the average of Republicans in the New Mexico House of Representatives.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Duncan’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.
| Date | Bill | Duncan | Rep. majority | Dem. majority | Result |
|---|---|---|---|---|---|
| Feb 18, 2026 | SB 38: FEES ON REGISTERED PET FOOD | Yes | Yes | Yes | Passed 53–11 |
| Feb 18, 2026 | SB 152: LOW-INCOME TELECOMM. ASSISTANCE PROGRAM | Yes | No | Yes | Passed 48–14 |
| Feb 17, 2026 | SB 241: CHILD CARE ASSISTANCE PROGRAM ACT | No | No | Yes | Passed 37–19 |
| Feb 16, 2026 | HB 332: CAPITAL OUTLAY REAUTHORIZATIONS | No | No | Yes | Passed 43–20 |
| Feb 12, 2026 | HB 4: HEALTH CARE AFFORDABILITY FUND DISTRIBUTIONS | No | No | Yes | Passed 48–19 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Duncan 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 Mexico House of Representatives, District 2 | Won | — | R+39.2 | — |
| 2024 | New Mexico House of Representatives, District 2 | Won | — | R+39.2 | — |
| 2022 | New Mexico House of Representatives, District 2 | Won | R+40.4 | R+35.5 | +4.9 |
| 2020 | New Mexico House of Representatives, District 4 | Lost | D+8.5 | — | — |
Source: 99chambers results archive; 2026: New Mexico Secretary of State (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Seats Duncan has held
- New Mexico House of Representatives, District 2 · since 2022
Source: 99chambers results archive
Who Duncan has run against
- Matt Dodson (I) · 2022 election, won
- Anthony Allison (D) · 2020 election, lost
Source: 99chambers results archive; 2026: New Mexico Secretary of State (unofficial)
How we know Duncan
One person, matched across every source we use.
- Open States ocd-person/aa8f331c-d541-4acd-b025-e218e01764e2
- Wikidata Q124842744
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:52 PM ET