# Mark Proulx

Mark Proulx is a Republican member of the New Hampshire House for district Hillsborough 15.

- Party: Republican
- Seat: New Hampshire House, district Hillsborough 15
- Serving since: 2010-12-01
- Current term: NH 2025–26 session
- Open States ID: ocd-person/b50abef6-0b19-4d5c-97c9-f757f3b571ad

Source: https://americaspoliticalpulse.com/p/b50abef6-0b19-4d5c-97c9-f757f3b571ad (America’s Political Pulse, Polarization Research Lab), data through 2026-10-27. Data under CC BY 4.0. Cite as: Westwood, Sean J., and Yphtach Lelkes. 2024. America's Political Pulse [data set].

## Headline

Proulx voted against the majority of New Hampshire House Republicans 109 times; party unity 79%, in the bottom 5% of the New Hampshire House (average 95.3%).

## Ideology (CSIP)

CSIP score 0.00 (standard error 0.01), from 0 donors and 526 roll calls. Negative is left of 0, positive right of it, on one scale for every official. 4.8% of State House Republicans score lower.

## Votes (NH 2025–26 session)

557 roll calls. Attendance 92.1% (New Hampshire House 89%). Party unity 79% (95.3%). 109 votes against the party majority.

Key votes:

- 2026-08-19 · voted yea · Veto Override · HB 2026 relative to the state 10-year transportation improvement plan; relative to toll rate adjustments and periodic toll reviews for the New Hampshire… · pass · https://openstates.org/nh/bills/2026/HB2026/
- 2026-08-19 · voted nay · Veto Override · HB 1358 establishing a commission to study transitioning all public schools to public charter schools. · fail · https://openstates.org/nh/bills/2026/HB1358/
- 2026-08-19 · voted nay · Veto Override · HB 1610 allowing school districts to annually retain year-end unassigned general funds. · pass · https://openstates.org/nh/bills/2026/HB1610/
- 2026-08-19 · voted nay · Veto Override · HB 1336 relative to regulated conditional deposits. · pass · https://openstates.org/nh/bills/2026/HB1336/
- 2026-08-19 · voted nay · Veto Override · HB 1726 relative to the sale of surplus state-owned land and establishing a commission to study the sale of state-owned property. · fail · https://openstates.org/nh/bills/2026/HB1726/
- 2026-08-19 · voted nay · Veto Override · HB 1766 relative to cruelty to livestock. · pass · https://openstates.org/nh/bills/2026/HB1766/
- 2026-08-19 · voted yea · Veto Override · HB 1102 increasing the research and development tax credit cap and relative to state park fees for state residents. · pass · https://openstates.org/nh/bills/2026/HB1102/
- 2026-08-19 · voted yea · Veto Override · SB 468 relative to enabling alternative treatment centers to operate a greenhouse cultivation location. · pass · https://openstates.org/nh/bills/2026/SB468/
- 2026-08-19 · voted nay · Veto Override · HB 1097 requiring legislative approval of the amendment or permanent removal of historical markers. · pass · https://openstates.org/nh/bills/2026/HB1097/
- 2026-08-19 · voted yea · Veto Override · HB 232 relative to the rights of conscience for medical professionals. · pass · https://openstates.org/nh/bills/2026/HB232/

## Legislation (NH 2025–26 session)

Sponsored 7 bills: 7 reached committee, 4 passed one chamber, 2 passed both, 2 became law. Cosponsored 23. 57.1% of sponsored bills got out of committee (New Hampshire House 47.9%; rank 49 of 128).

Recent sponsored bills:

- HB 287: requiring police departments to provide fire departments with certain motorist personal and insurance information following a motor vehicle incident. (passed one chamber, 2025-02-20) https://openstates.org/nh/bills/2025/HB287/
- HB 181: relative to making the state responsible for maintaining Opticom systems for fire and emergency on state roads and making an appropriation therefor. (in committee, 2025-03-06) https://openstates.org/nh/bills/2025/HB181/
- HB 180: relative to critical incident stress management teams. (became law, 2025-05-08) https://openstates.org/nh/bills/2025/HB180/
- HB 179: relative to hazardous waste accident fees. (became law, 2025-06-25) https://openstates.org/nh/bills/2025/HB179/
- HB 183: relative to reporting requirements for emergency medical services personnel. (passed one chamber, 2025-05-01) https://openstates.org/nh/bills/2025/HB183/
- HB 185: relative to reimbursement rates for ambulance service providers. (in committee, 2025-03-13) https://openstates.org/nh/bills/2025/HB185/
- HB 182: prohibiting electric vehicles in commercial parking garages. (in committee, 2025-02-13) https://openstates.org/nh/bills/2025/HB182/
- HB 1329: relative to creating special number plates for fire departments. (became law, 2024-07-26) https://openstates.org/nh/bills/2024/HB1329/
- HB 1328: relative to public safety providers defined as essential services. (became law, 2024-07-26) https://openstates.org/nh/bills/2024/HB1328/
- HB 1330: relative to establishing an emergency medical services disciplinary review panel, and relative to procedures for removal of records of discipline. (passed one chamber, 2024-05-16) https://openstates.org/nh/bills/2024/HB1330/

## Campaign money (2026 cycle)

Itemized receipts $750 (State House Republicans median $33.7K). Aggregates only; no individual donors.

## Links

- Official site: https://www.gencourt.state.nh.us/house/members/member.aspx?member=377007
- X: https://x.com/Mark_Proulx
- Facebook: https://www.facebook.com/mark.proulx.52
- Facebook: https://www.facebook.com/p/Mark-Proulx-for-NH-State-Representative-100057934727106/
- Instagram: https://www.instagram.com/55r1/
- LinkedIn: https://www.linkedin.com/in/mark-proulx-0061639/

Full profile, with every chart and the methods: https://americaspoliticalpulse.com/p/b50abef6-0b19-4d5c-97c9-f757f3b571ad