Zip Code 17065 — Mount Holly Springs, PA
17065 is a ZIP Code associated with Mount Holly Springs, PA, located within Cumberland. 17065 ranks #12 out of 17 ZIP codes in Cumberland County by population (and #675 out of 1,832 in PA). The area supports an estimated population of 4,389 residents across Data Pending housing units, with a population density of 112.8 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (40.098370, -77.205270)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 17065 |
| Primary City | Mount Holly Springs |
| State / Province | PA |
| County | Cumberland |
| Total Population | 4,389 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 112.8 people/sq mi |
| Timezone | America/New_York |
How 17065 Compares
| Metric | ZIP 17065 | Cumberland County | PA State Average |
|---|
| Population | 4,389 | 274,130 (Total) | 13,018,637 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 112.8 /sq mi | -- | -- |
| County Pop Rank | #12 of 17 | -- | -- |
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 →