Zip Code 18072 — Pen Argyl, PA
18072 is a ZIP Code associated with Pen Argyl, PA, located within Northampton. 18072 ranks #13 out of 22 ZIP codes in Northampton County by population (and #532 out of 1,832 in PA). The area supports an estimated population of 6,938 residents across Data Pending housing units, with a population density of 180.0 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (40.845480, -75.258420)
| Data Metric | Local Statistic |
| Postal / Zip Code | 18072 |
| Primary City | Pen Argyl |
| State / Province | PA |
| County | Northampton |
| Total Population | 6,938 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 180.0 people/sq mi |
| Timezone | America/New_York |
How 18072 Compares
| Metric | ZIP 18072 | Northampton County | PA State Average |
| Population | 6,938 | 310,527 (Total) | 13,018,637 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 180.0 /sq mi | -- | -- |
| County Pop Rank | #13 of 22 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →