Boundary Atlas

ZIP code 15331: Ellsworth, PA

ZIP code 15331 is in Ellsworth (94% of residents), in Washington County, Pennsylvania. 6.5% of its residents live outside city limits. It is in Pennsylvania's 14th congressional district. Its state senate district is State Senate District 46; its state house districts are State House District 50 (94%) and State House District 48 (6.5%).

1,003residents (2020 Census)
0.8 sq miland area
1cities and towns
1congressional district
2voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
Ellsworth94%

CountyShare of ZIP residents
Washington County100%

Town or county subdivisionShare of ZIP residents
Ellsworth borough94%
Somerset township6.5%

Congressional district

Congressional districtShare of ZIP residents
Pennsylvania's 14th congressional district (PA-14)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 46100%

State house districtShare of ZIP residents
State House District 5094%
State House District 486.5%

Voting precincts

2 voting precincts overlap ZIP 15331. 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:15331")

ZIP 15331 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.