ZIP code 20117 is in Middleburg (24% of residents), in Loudoun County (94%) and Fauquier County (6.0%), Virginia. 76% of its residents live outside city limits. It is in Virginia's 10th congressional district. Its state senate district is State Senate District 31; its state house district is House of Delegates District 30.
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).
5 voting precincts overlap ZIP 20117.
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:
related_geographies(id="us:zcta:20117")
ZIP 20117 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.