Boundary Atlas

ZIP code 80621: Fort Lupton, CO

ZIP code 80621 is in Fort Lupton (60% of residents) and Aristocrat Ranchettes (13%), in Weld County, Colorado. 28% of its residents live outside city limits. It is in Colorado's 8th congressional district. Its state senate districts are State Senate District 13 (84%), State Senate District 1 (9.2%) and State Senate District 23 (6.7%); its state house districts are State House District 48 (98%) and State House District 19 (1.9%).

13,343residents (2020 Census)
126.6 sq miland area
5cities and towns
1congressional district
17voting precincts

See it on the mapAll of Colorado

City and county

City or townShare of ZIP residents
Fort Lupton60%
Aristocrat Ranchettes13%
Frederick0.1%
Brighton0.1%
Firestone<0.1%

CountyShare of ZIP residents
Weld County100%

Town or county subdivisionShare of ZIP residents
Fort Lupton CCD82%
Keenesburg-Hudson CCD11%
Platteville CCD4.0%
Erie-Frederick CCD2.5%

Congressional district

Congressional districtShare of ZIP residents
Colorado's 8th congressional district (CO-08)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (CO-08)Gabe Evans (R)202-225-5625100%
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 13)Scott Bright (R)84%
State Senator (State Senate District 1)Byron Pelton (R)9.2%
State Senator (State Senate District 23)Barbara Kirkmeyer (R)6.7%
State Representative (State House District 48)Carlos Barron (R)98%
State Representative (State House District 19)Dan Woog (R)1.9%

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 1384%
State Senate District 19.2%
State Senate District 236.7%

State house districtShare of ZIP residents
State House District 4898%
State House District 191.9%

Voting precincts

17 voting precincts overlap ZIP 80621. Map them, with each precinct's share of the ZIP's residents.

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ZIP 80621 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.