Boundary Atlas

ZIP code 80121: Centennial, CO

ZIP code 80121 is in Centennial (73% of residents), Greenwood Village (20%), Littleton (2.4%) and Cherry Hills Village (1.1%), in Arapahoe County, Colorado. It is in Colorado's 6th congressional district. Its state senate districts are State Senate District 16 (75%) and State Senate District 26 (25%); its state house districts are State House District 38 (49%), State House District 37 (47%) and State House District 3 (4.0%).

18,176residents (2020 Census)
7.2 sq miland area
4cities and towns
1congressional district
21voting precincts

See it on the mapAll of Colorado

City and county

City or townShare of ZIP residents
Centennial73%
Greenwood Village20%
Littleton2.4%
Cherry Hills Village1.1%

CountyShare of ZIP residents
Arapahoe County100%

Town or county subdivisionShare of ZIP residents
Southwest Arapahoe CCD100%

Congressional district

Congressional districtShare of ZIP residents
Colorado's 6th congressional district (CO-06)100%

Elected officials

OfficeMemberContactShare of residents
MayorStephanie Piko73%
U.S. Representative (CO-06)Jason Crow (D)202-225-7882100%
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 16)Chris Kolker (Democratic)75%
State Senator (State Senate District 26)Jeff Bridges (Democratic)25%
State Representative (State House District 38)Gretchen Rydin (Democratic)49%
State Representative (State House District 37)Chad Clifford (Democratic)47%
State Representative (State House District 3)Meg Froelich (Democratic)4.0%

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 1675%
State Senate District 2625%

State house districtShare of ZIP residents
State House District 3849%
State House District 3747%
State House District 34.0%

Voting precincts

21 voting precincts overlap ZIP 80121. Map them, with each precinct's share of the ZIP's residents.

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ZIP 80121 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.