Boundary Atlas

ZIP code 20187: New Baltimore, VA

ZIP code 20187 is in New Baltimore (57% of residents), in Fauquier County, Virginia. 43% of its residents live outside city limits. It is in Virginia's 10th congressional district. Its state senate districts are State Senate District 28 (81%) and State Senate District 31 (19%); its state house district is House of Delegates District 61.

18,888residents (2020 Census)
51.1 sq miland area
2cities and towns
1congressional district
7voting precincts

See it on the mapAll of Virginia

City and county

City or townShare of ZIP residents
New Baltimore57%
Opal0.2%

CountyShare of ZIP residents
Fauquier County100%

Town or county subdivisionShare of ZIP residents
Scott district57%
Center district30%
Cedar Run district13%

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 2881%
State Senate District 3119%

State house districtShare of ZIP residents
House of Delegates District 61100%

Voting precincts

7 voting precincts overlap ZIP 20187. 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:20187")

ZIP 20187 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.