Boundary Atlas

ZIP code 80455: Jamestown, CO

ZIP code 80455 is in Jamestown (50% of residents), Glendale (12%) and Gold Hill (1.4%), in Boulder County, Colorado. 37% of its residents live outside city limits. It is in Colorado's 2nd congressional district. Its state senate district is State Senate District 15; its state house district is State House District 49.

517residents (2020 Census)
32.3 sq miland area
3cities and towns
1congressional district
3voting precincts

See it on the mapAll of Colorado

City and county

City or townShare of ZIP residents
Jamestown50%
Glendale12%
Gold Hill1.4%

CountyShare of ZIP residents
Boulder County100%

Town or county subdivisionShare of ZIP residents
Bald Mountain CCD93%
Upper St. Vrain CCD7.0%

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 15)Janice Marchman (Democratic)100%
State Representative (State House District 49)Lesley Smith (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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 15100%

State house districtShare of ZIP residents
State House District 49100%

Voting precincts

3 voting precincts overlap ZIP 80455. Map them, with each precinct's share of the ZIP's residents.

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ZIP 80455 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.