ZIP code 81221: Coal Creek, CO

ZIP code 81221 is in Coal Creek, in Fremont County, Colorado. It is in Colorado's 7th congressional district. Its state senate district is State Senate District 4; its state house district is State House District 60.

334residents (2020 Census)

1.1 sq miland area

1cities and towns

1congressional district

1voting precincts

See it on the map All of Colorado

City and county

City or town	Share of ZIP residents
Coal Creek	100%

County	Share of ZIP residents
Fremont County	100%

Town or county subdivision	Share of ZIP residents
Florence CCD	100%

Congressional district

Congressional district	Share of ZIP residents
Colorado's 7th congressional district (CO-07)	100%

Elected officials

Office	Member	Contact	Share of residents
U.S. Representative (CO-07)	Brittany Pettersen (D)	202-225-2645	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 4)	Mark Baisley (R)		100%
State Representative (State House District 60)	Stephanie Luck (R)		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

Coal Creek laws: search for the Coal Creek, Colorado code of ordinances
Fremont County website: http://www.fremontco.com
Fremont County laws: search for the Fremont County, Colorado code of ordinances

State legislative districts

State senate district	Share of ZIP residents
State Senate District 4	100%

State house district	Share of ZIP residents
State House District 60	100%

Voting precincts

1 voting precinct overlap ZIP 81221. 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:81221")

ZIP 81221 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.