Boundary Atlas

New Mexico: cities, counties, ZIP codes and districts

New Mexico has 3 congressional districts, 42 state senate districts and 70 state house districts under the maps in force for November 3, 2026, plus 2,177 voting precincts, 33 counties, 528 cities, towns and Census-designated places, and 371 ZIP codes.

Cities and towns

Largest first. Each page lists the city's county, districts and ZIP codes.

Congressional districts (2026)

DistrictShort2020 population
New Mexico's 1st congressional districtNM-01705,832
New Mexico's 2nd congressional districtNM-02705,846
New Mexico's 3rd congressional districtNM-03705,844

ZIP codes in New Mexico

Each page lists the ZIP's congressional and legislative districts, with population shares where it's split.

Get this in your AI agent

Your agent can list, look up and map every district and precinct in New Mexico. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

list_geographies(country="US", level="congressional_district", region="NM")