Boundary Atlas

ZIP code 80501: Longmont, CO

ZIP code 80501 is in Longmont, in Boulder County, Colorado. It is in Colorado's 2nd congressional district. Its state senate district is State Senate District 17; its state house district is State House District 11.

42,822residents (2020 Census)
12.6 sq miland area
1cities and towns
1congressional district
27voting precincts

See it on the mapAll of Colorado

City and county

City or townShare of ZIP residents
Longmont100%

CountyShare of ZIP residents
Boulder County100%

Town or county subdivisionShare of ZIP residents
Longmont CCD100%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
MayorSusie Hidalgo-Fahring303-651-8601100%
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 17)Katie Wallace (Democratic)100%
State Representative (State House District 11)Karen McCormick (Democratic)100%
State Representative (State House District 19)Dan Woog (R)<0.1%

Officials serving now (members of Congress until January 3, 2027). Sources: Mayors: Open States (public domain); 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 17100%

State house districtShare of ZIP residents
State House District 11100%
State House District 19land only

Voting precincts

27 voting precincts overlap ZIP 80501. Map them, with each precinct's share of the ZIP's residents.

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ZIP 80501 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.