Boundary Atlas

ZIP code 17522: Ephrata, PA

ZIP code 17522 is in Ephrata (41% of residents), Clay (4.9%), Brownstown (4.1%) and Farmersville (3.1%), in Lancaster County, Pennsylvania. 47% of its residents live outside city limits. It is in Pennsylvania's 11th congressional district. Its state senate districts are State Senate District 36 (85%) and State Senate District 48 (15%); its state house districts are State House District 43 (85%), State House District 37 (12%) and State House District 99 (3.2%).

33,848residents (2020 Census)
43.0 sq miland area
7cities and towns
1congressional district
16voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
Ephrata41%
Clay4.9%
Brownstown4.1%
Farmersville3.1%
Stevens0.9%
Hinkletown0.5%
Reamstown0.1%

CountyShare of ZIP residents
Lancaster County100%

Town or county subdivisionShare of ZIP residents
Ephrata borough41%
Ephrata township29%
West Earl township12%
Clay township12%
East Cocalico township2.9%
Earl township2.6%
West Cocalico township0.3%

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 3685%
State Senate District 4815%

State house districtShare of ZIP residents
State House District 4385%
State House District 3712%
State House District 993.2%

Voting precincts

16 voting precincts overlap ZIP 17522. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

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:17522")

ZIP 17522 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.