Zip Code 16648 — Hollidaysburg, PA
16648 is a ZIP Code associated with Hollidaysburg, PA, located within Blair. 16648 ranks #3 out of 15 ZIP codes in Blair County by population (and #293 out of 1,832 in PA). The area supports an estimated population of 14,904 residents across Data Pending housing units, with a population density of 95.8 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (40.442310, -78.332420)
| Data Metric | Local Statistic |
| Postal / Zip Code | 16648 |
| Primary City | Hollidaysburg |
| State / Province | PA |
| County | Blair |
| Total Population | 14,904 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 95.8 people/sq mi |
| Timezone | America/New_York |
How 16648 Compares
| Metric | ZIP 16648 | Blair County | PA State Average |
| Population | 14,904 | 123,973 (Total) | 13,018,637 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 95.8 /sq mi | -- | -- |
| County Pop Rank | #3 of 15 | -- | -- |
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 →