Boundary Atlas

ZIP code 17520: East Petersburg, PA

ZIP code 17520 is in East Petersburg (94% of residents), in Lancaster County, Pennsylvania. 6.4% of its residents live outside city limits. It is in Pennsylvania's 11th congressional district. Its state senate district is State Senate District 36; its state house districts are State House District 96 (94%) and State House District 41 (6.4%).

4,863residents (2020 Census)
1.8 sq miland area
1cities and towns
1congressional district
4voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
East Petersburg94%

CountyShare of ZIP residents
Lancaster County100%

Town or county subdivisionShare of ZIP residents
East Petersburg borough94%
East Hempfield township6.4%

Congressional district

Congressional districtShare of ZIP residents
Pennsylvania's 11th congressional district (PA-11)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 36100%

State house districtShare of ZIP residents
State House District 9694%
State House District 416.4%

Voting precincts

4 voting precincts overlap ZIP 17520. 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:17520")

ZIP 17520 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.