Boundary Atlas

ZIP code 20184: Upperville, VA

ZIP code 20184 is in Upperville (24% of residents), in Fauquier County (56%) and Loudoun County (44%), 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.

735residents (2020 Census)
36.1 sq miland area
1cities and towns
1congressional district
2voting precincts

See it on the mapAll of Virginia

City and county

City or townShare of ZIP residents
Upperville24%

CountyShare of ZIP residents
Fauquier County56%
Loudoun County44%

Town or county subdivisionShare of ZIP residents
Marshall district56%
Blue Ridge district44%

Congressional district

Congressional districtShare of ZIP residents
Virginia's 10th congressional district (VA-10)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 31100%

State house districtShare of ZIP residents
House of Delegates District 30100%

Voting precincts

2 voting precincts overlap ZIP 20184. 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:20184")

ZIP 20184 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.