Boundary Atlas

ZIP code 18072: Pen Argyl, PA

ZIP code 18072 is in Pen Argyl (52% of residents) and Ackermanville (1.6%), in Northampton County, Pennsylvania. 46% of its residents live outside city limits. It is in Pennsylvania's 7th congressional district. Its state senate district is State Senate District 18; its state house district is State House District 138.

6,734residents (2020 Census)
14.9 sq miland area
2cities and towns
1congressional district
9voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
Pen Argyl52%
Ackermanville1.6%

CountyShare of ZIP residents
Northampton County100%

Town or county subdivisionShare of ZIP residents
Pen Argyl borough52%
Plainfield township43%
Washington township5.1%

Congressional district

Congressional districtShare of ZIP residents
Pennsylvania's 7th congressional district (PA-07)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 18100%

State house districtShare of ZIP residents
State House District 138100%

Voting precincts

9 voting precincts overlap ZIP 18072. 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:18072")

ZIP 18072 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.