Boundary Atlas

ZIP code 87521: Chamisal, NM

ZIP code 87521 is in Chamisal (28% of residents) and Ojo Sarco (26%), in Taos County (71%) and Rio Arriba County (29%), New Mexico. 46% of its residents live outside city limits. It is in New Mexico's 3rd congressional district. Its state senate district is State Senate District 6; its state house districts are State House District 42 (53%) and State House District 40 (47%).

899residents (2020 Census)
100.9 sq miland area
2cities and towns
1congressional district
8voting precincts

See it on the mapAll of New Mexico

City and county

City or townShare of ZIP residents
Chamisal28%
Ojo Sarco26%

CountyShare of ZIP residents
Taos County71%
Rio Arriba County29%

Town or county subdivisionShare of ZIP residents
Picuris CCD36%
Peñasco CCD35%
Dixon CCD22%
Chimayo CCD6.7%

Congressional district

Congressional districtShare of ZIP residents
New Mexico's 3rd congressional district (NM-03)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (NM-03)Teresa Leger Fernandez (D)202-225-6190100%
U.S. SenatorBen Ray Luján (D)202-224-6621 · contact formstatewide
U.S. SenatorMartin Heinrich (D)202-224-5521 · contact formstatewide
State Senator (State Senate District 6)Bobby Gonzales (Democratic)100%
State Representative (State House District 42)Kristina Ortez (Democratic)53%
State Representative (State House District 40)Joseph Sanchez (Democratic)47%

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

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 6100%

State house districtShare of ZIP residents
State House District 4253%
State House District 4047%

Voting precincts

8 voting precincts overlap ZIP 87521. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:87521")

ZIP 87521 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.