Boundary Atlas

ZIP code 80237: Denver, CO

ZIP code 80237 is in Denver, in Denver County, Colorado. It is in Colorado's 1st congressional district. Its state senate district is State Senate District 26; its state house district is State House District 3.

23,108residents (2020 Census)
3.6 sq miland area
1cities and towns
1congressional district
11voting precincts

See it on the mapAll of Colorado

City and county

City or townShare of ZIP residents
Denver100%

CountyShare of ZIP residents
Denver County100%

Town or county subdivisionShare of ZIP residents
Denver CCD100%

Congressional district

Congressional districtShare of ZIP residents
Colorado's 1st congressional district (CO-01)100%

Members of Congress

OfficeMemberContact
U.S. Representative (CO-01)Diana DeGette (D)202-225-4431
U.S. SenatorJohn W. Hickenlooper (D)202-224-5941 · contact form
U.S. SenatorMichael F. Bennet (D)202-224-5852 · contact form

Members serving now (119th Congress, until January 3, 2027). Source: Members of Congress: the @unitedstates project, congress-legislators (CC0).

State legislative districts

State senate districtShare of ZIP residents
State Senate District 26100%

State house districtShare of ZIP residents
State House District 3100%

Voting precincts

11 voting precincts overlap ZIP 80237. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

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:80237")

ZIP 80237 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.