ZIP code 80027 is in Louisville (62% of residents) and Superior (38%), in Boulder County, Colorado. It is in Colorado's 2nd congressional district. Its state senate districts are State Senate District 18 (100%), State Senate District 17 (0.2%) and State Senate District 15 (<0.1%); its state house districts are State House District 12 (100%) and State House District 49 (<0.1%).
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).
24 voting precincts overlap ZIP 80027.
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:80027")
ZIP 80027 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.