Boundary Atlas

New Mexico's 3rd congressional district (NM-03)

New Mexico's 3rd congressional district (NM-03) covers parts or all of 18 counties, including Colfax County, Curry County, Harding County, Los Alamos County, Mora County and Quay County, and 209 ZIP codes (179 wholly inside it). Its 2020 population was 705,844. This is the map in force for the November 3, 2026 election.

705,844residents (2020 Census)
18counties
209ZIP codes
747voting precincts

Who represents NM-03

OfficeMemberContact
U.S. Representative (NM-03)Teresa Leger Fernandez (D)202-225-6190
U.S. SenatorBen Ray Luján (D)202-224-6621 · contact form
U.S. SenatorMartin Heinrich (D)202-224-5521 · contact form

Officials serving now (members of Congress until January 3, 2027). Sources: Members of Congress: the @unitedstates project, congress-legislators (CC0).

Counties

CountyShare of the county's residents in NM-03
Colfax County100%
Curry County100%
Harding County100%
Los Alamos County100%
Mora County100%
Quay County100%
Rio Arriba County100%
Roosevelt County100%
San Juan County100%
San Miguel County100%
Taos County100%
Union County100%
Santa Fe County94%
Chaves County94%
McKinley County91%
Lea County74%
Eddy County27%
Sandoval County14%

ZIP codes

Percentages mark ZIPs only partly in NM-03: the share of that ZIP's residents inside it.

Towns

Arroyo Hondo CCD, Aztec CCD, Bloomfield CCD, Broadview CCD, Chimayo CCD, Cimarron CCD, Clayton North CCD, Clayton South CCD, Clovis CCD, Conchas Dam CCD, Coyote CCD, Crownpoint CCD, Dexter CCD, Dixon CCD, Dora CCD, Elida CCD, Farmington CCD, Gallup CCD, Hagerman CCD, House-Forrest CCD, Jemez-Zia CCD, Jicarilla Apache CCD, Las Vegas CCD, Logan-Nara Visa CCD, Los Alamos CCD, Melrose CCD, Mora CCD, Napi Headquarters CCD, Naschitti CCD, Navajo Nation CCD, Nenahnezad-Burnham CCD, North Harding CCD, Ohkay Owingeh CCD, Pecos CCD, Peñasco CCD, Picuris CCD, Portales CCD, Questa CCD, Raton CCD and Rio Chama CCD and others.

Get this in your AI agent

Your agent can draw every precinct in NM-03, or list them with population shares (related_geographies). Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

get_boundaries(id="us:congressional_district:3503", children_level="precinct", include_districts=True)