ZIP code 81639: Hayden, CO

ZIP code 81639 is in Hayden (78% of residents), in Routt County, Colorado. 22% 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 district is State House District 26.

2,498residents (2020 Census)

464.4 sq miland area

1cities and towns

1congressional district

3voting precincts

See it on the map All of Colorado

City and county

City or town	Share of ZIP residents
Hayden	78%

County	Share of ZIP residents
Routt County	100%

Town or county subdivision	Share of ZIP residents
Hayden CCD	99%
Oak Creek CCD	0.7%

Congressional district

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

Elected officials

Office	Member	Contact	Share of residents
U.S. Representative (CO-02)	Joe Neguse (D)	202-225-2161	100%
U.S. Senator	John W. Hickenlooper (D)	202-224-5941 · contact form	statewide
U.S. Senator	Michael F. Bennet (D)	202-224-5852 · contact form	statewide
State Senator (State Senate District 8)	Dylan Roberts (Democratic)		100%
State Representative (State House District 26)	Meghan Lukens (Democratic)		100%

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

Hayden website: http://www.townofhayden.org/
Hayden laws: search for the Hayden, Colorado code of ordinances
Routt County website: http://www.co.routt.co.us
Routt County laws: search for the Routt County, Colorado code of ordinances

State legislative districts

State senate district	Share of ZIP residents
State Senate District 8	100%

State house district	Share of ZIP residents
State House District 26	100%

Voting precincts

3 voting precincts overlap ZIP 81639. 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:

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ZIP 81639 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.