Boundary Atlas

ZIP code 80602: Thornton, CO

ZIP code 80602 is in Thornton (75% of residents) and Todd Creek (12%), in Adams County, Colorado. 13% of its residents live outside city limits. It is in Colorado's 8th congressional district. Its state senate districts are State Senate District 24 (95%) and State Senate District 13 (5.1%); its state house districts are State House District 34 (41%), State House District 33 (29%), State House District 31 (18%) and State House District 48 (12%).

43,375residents (2020 Census)
30.7 sq miland area
2cities and towns
1congressional district
36voting precincts

See it on the mapAll of Colorado

City and county

City or townShare of ZIP residents
Thornton75%
Todd Creek12%

CountyShare of ZIP residents
Adams County100%

Town or county subdivisionShare of ZIP residents
Brighton CCD58%
West Adams CCD42%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
MayorJanifer Kulmann75%
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 24)Kyle Mullica (Democratic)95%
State Senator (State Senate District 13)Scott Bright (R)5.1%
State Representative (State House District 34)Jenny Willford (Democratic)41%
State Representative (State House District 33)Kenny Nguyen (Democratic)29%
State Representative (State House District 31)Jacque Phillips (Democratic)18%
State Representative (State House District 48)Carlos Barron (R)12%

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 2495%
State Senate District 135.1%

State house districtShare of ZIP residents
State House District 3441%
State House District 3329%
State House District 3118%
State House District 4812%

Voting precincts

36 voting precincts overlap ZIP 80602. Map them, with each precinct's share of the ZIP's residents.

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Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:80602")

ZIP 80602 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.