Boundary Atlas

ZIP code 80126: Highlands Ranch, CO

ZIP code 80126 is in Highlands Ranch, in Douglas County, Colorado. It is in Colorado's 4th congressional district. Its state senate district is State Senate District 30; its state house districts are State House District 43 (78%) and State House District 39 (22%).

44,221residents (2020 Census)
10.8 sq miland area
1cities and towns
1congressional district
28voting precincts

See it on the mapAll of Colorado

City and county

City or townShare of ZIP residents
Highlands Ranch100%

CountyShare of ZIP residents
Douglas County100%

Town or county subdivisionShare of ZIP residents
Sedalia CCD100%

Congressional district

Congressional districtShare of ZIP residents
Colorado's 4th congressional district (CO-04)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (CO-04)Lauren Boebert (R)202-225-4761100%
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 30)John Carson (R)100%
State Representative (State House District 43)Bob Marshall (Democratic)78%
State Representative (State House District 39)Brandi Bradley (R)22%

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 30100%

State house districtShare of ZIP residents
State House District 4378%
State House District 3922%

Voting precincts

28 voting precincts overlap ZIP 80126. 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:

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ZIP 80126 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.