ZIP code 20169 is in Gainesville (10.0% of residents), Haymarket (5.4%) and Bull Run Mountain Estates (4.3%), in Prince William County (100%) and Fauquier County (0.1%), Virginia. 80% of its residents live outside city limits. It is in Virginia's 10th congressional district. Its state senate districts are State Senate District 30 (100%) and State Senate District 31 (0.1%); its state house districts are House of Delegates District 21 (100%) and House of Delegates District 30 (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).
10 voting precincts overlap ZIP 20169.
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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:20169")
ZIP 20169 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.