Zip Code 15901 — Johnstown, PA
15901 is a ZIP Code associated with Johnstown, PA, located within Cambria. 15901 ranks #13 out of 47 ZIP codes in Cambria County by population (and #765 out of 1,832 in PA). The area supports an estimated population of 3,397 residents across Data Pending housing units, with a population density of 859.6 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (40.328450, -78.914600)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 15901 |
| Primary City | Johnstown |
| State / Province | PA |
| County | Cambria |
| Total Population | 3,397 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 859.6 people/sq mi |
| Timezone | America/New_York |
How 15901 Compares
| Metric | ZIP 15901 | Cambria County | PA State Average |
|---|
| Population | 3,397 | 131,747 (Total) | 13,018,637 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 859.6 /sq mi | -- | -- |
| County Pop Rank | #13 of 47 | -- | -- |
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 →