ZIP code 05821 is in Barnet (11% of residents), in Caledonia County, Vermont. 89% of its residents live outside city limits. It is in Vermont's at-large congressional district. Its state senate district is Caledonia Senatorial District; its state house districts are Caledonia-1 State House District (78%) and Caledonia-Washington State House District (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).
2 voting precincts overlap ZIP 05821.
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:05821")
ZIP 05821 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.