Boundary Atlas

ZIP code 80423: Eagle County, CO

ZIP code 80423 is in McCoy (5.1% of residents), in Eagle County (85%) and Grand County (15%), Colorado. 95% of its residents live outside city limits. It is in Colorado's 2nd congressional district. Its state senate district is State Senate District 8; its state house districts are State House District 26 (85%) and State House District 13 (15%).

137residents (2020 Census)
247.5 sq miland area
1cities and towns
1congressional district
4voting precincts

See it on the mapAll of Colorado

City and county

City or townShare of ZIP residents
McCoy5.1%

CountyShare of ZIP residents
Eagle County85%
Grand County15%

Town or county subdivisionShare of ZIP residents
Eagle-Gypsum CCD85%
Kremmling CCD15%
Minturn-Red Cliff CCDland only

Congressional district

Congressional districtShare of ZIP residents
Colorado's 2nd congressional district (CO-02)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (CO-02)Joe Neguse (D)202-225-2161100%
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 8)Dylan Roberts (Democratic)100%
State Representative (State House District 26)Meghan Lukens (Democratic)85%
State Representative (State House District 13)Julie McCluskie (Democratic)15%

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 8100%

State house districtShare of ZIP residents
State House District 2685%
State House District 1315%

Voting precincts

4 voting precincts overlap ZIP 80423. 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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:80423")

ZIP 80423 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.