Boundary Atlas

ZIP code 80021: Westminster, CO

ZIP code 80021 is in Westminster (73% of residents) and Broomfield (24%), in Jefferson County (76%) and Broomfield County (24%), Colorado. It is in Colorado's 7th congressional district. Its state senate districts are State Senate District 19 (76%) and State Senate District 25 (24%); its state house districts are State House District 29 (76%) and State House District 33 (24%).

36,176residents (2020 Census)
16.5 sq miland area
2cities and towns
1congressional district
23voting precincts

See it on the mapAll of Colorado

City and county

City or townShare of ZIP residents
Westminster73%
Broomfield24%

CountyShare of ZIP residents
Jefferson County76%
Broomfield County24%

Town or county subdivisionShare of ZIP residents
Northeast Jefferson CCD76%
Broomfield CCD24%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
MayorNancy McNally73%
U.S. Representative (CO-07)Brittany Pettersen (D)202-225-2645100%
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 19)Lindsey Daugherty (Democratic)76%
State Senator (State Senate District 25)William Lindstedt (Democratic)24%
State Representative (State House District 29)Lori Goldstein (Democratic)76%
State Representative (State House District 33)Kenny Nguyen (Democratic)24%

From Wikidata (community-maintained); confirm on the city's website.

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); Mayors: Wikidata (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1976%
State Senate District 2524%

State house districtShare of ZIP residents
State House District 2976%
State House District 3324%

Voting precincts

23 voting precincts overlap ZIP 80021. Map them, with each precinct's share of the ZIP's residents.

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ZIP 80021 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.