Boundary Atlas

ZIP code 81137: La Plata County, CO

ZIP code 81137 is in Ignacio (17% of residents), Middle Mesa (3.9%) and Southern Ute (3.1%), in La Plata County (92%), San Juan County (4.3%) and Archuleta County (4.1%), Colorado. 76% of its residents live outside city limits. It is in Colorado's 3rd congressional district (96%) and New Mexico's 3rd congressional district (4.3%). Its state senate districts are State Senate District 6 (96%) and State Senate District 2 (4.3%); its state house districts are State House District 59 (96%) and State House District 3 (4.3%).

5,094residents (2020 Census)
258.2 sq miland area
4cities and towns
2congressional districts
8voting precincts

See it on the mapAll of Colorado

City and county

City or townShare of ZIP residents
Ignacio17%
Middle Mesa3.9%
Southern Ute3.1%
Arboles0.5%

CountyShare of ZIP residents
La Plata County92%
San Juan County4.3%
Archuleta County4.1%

Town or county subdivisionShare of ZIP residents
Ignacio CCD80%
Durango Southwest CCD12%
Bloomfield CCD4.3%
Arboles CCD4.1%

Congressional districts

Congressional districtShare of ZIP residents
Colorado's 3rd congressional district (CO-03)96%
New Mexico's 3rd congressional district (NM-03)4.3%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (CO-03)Jeff Hurd (R)202-225-467696%
U.S. Representative (NM-03)Teresa Leger Fernandez (D)202-225-61904.3%
U.S. SenatorJohn W. Hickenlooper (D)202-224-5941 · contact formstatewide
U.S. SenatorMichael F. Bennet (D)202-224-5852 · contact formstatewide
State Senator (State Senate District 6)Cleave Simpson (R)96%
State Senator (State Senate District 2)Steve Lanier (R)4.3%
State Representative (State House District 59)Katie Stewart (Democratic)96%
State Representative (State House District 3)Bill Hall (R)4.3%

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 696%
State Senate District 24.3%

State house districtShare of ZIP residents
State House District 5996%
State House District 34.3%

Voting precincts

8 voting precincts overlap ZIP 81137. It also crosses into NM. Map them, with each precinct's share of the ZIP's residents.

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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:81137")

ZIP 81137 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.