Boundary Atlas

ZIP code 80205: Denver, CO

ZIP code 80205 is in Denver, in Denver County, Colorado. It is in Colorado's 1st congressional district. Its state senate districts are State Senate District 33 (69%), State Senate District 31 (20%) and State Senate District 34 (11%); its state house districts are State House District 8 (81%) and State House District 5 (19%).

34,967residents (2020 Census)
4.6 sq miland area
1cities and towns
1congressional district
19voting 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%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 3369%
State Senate District 3120%
State Senate District 3411%

State house districtShare of ZIP residents
State House District 881%
State House District 519%

Voting precincts

19 voting precincts overlap ZIP 80205. 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:80205")

ZIP 80205 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.