New Mexico House of Representatives seat · lines in effect since 2022

New Mexico House District 55

A district of about 30,000 people, 52% Hispanic, 19% of adults with a bachelor's degree. It votes R+55.9 relative to the nation for president.

Where it sits among all 70 seats

Every New Mexico House of Representatives seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

R+55.969th most
Democratic
Most DemocraticMost Republican36th seat · the majority lineDistrict 55

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.

201820202024
U.S. SenateR+26.2R+52.3R+52.6
GovernorR+40.9No raceNo race

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: New Mexico Secretary of StateUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 70 seats. Small marks are other seats in New Mexico. The black marker is District 55.

Adults with a bachelor's degree19% 23rd pct · 54th of 70 in NM

Lower than 77% of seats.

White adults without a degree33% 80th pct · 15th of 70 in NM

Higher than 80% of seats.

Hispanic residents52% 61st pct · 28th of 70 in NM

Higher than 61% of seats.

Black residents2% 59th pct · 29th of 70 in NM

Higher than 59% of seats.

Asian residents1% 29th pct · 50th of 70 in NM

Lower than 71% of seats.

People per square mile11 23rd pct · 54th of 70 in NM

Less dense than 77% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET

Who has held it

These lines took effect in 2022.

  1. Cathrynn N. Brown (R)
    2023– · Won 2022 unopposed, 2024 unopposed, 2026 unopposed

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)