Zip Code 17601 — Lancaster, PA
17601 is a ZIP Code associated with Lancaster, PA, located within Lancaster. 17601 ranks #2 out of 53 ZIP codes in Lancaster County by population (and #11 out of 1,832 in PA). The area supports an estimated population of 56,382 residents across Data Pending housing units, with a population density of 649.5 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (40.072960, -76.314570)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 17601 |
| Primary City | Lancaster |
| State / Province | PA |
| County | Lancaster |
| Total Population | 56,382 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 649.5 people/sq mi |
| Timezone | America/New_York |
How 17601 Compares
| Metric | ZIP 17601 | Lancaster County | PA State Average |
|---|
| Population | 56,382 | 558,164 (Total) | 13,018,637 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 649.5 /sq mi | -- | -- |
| County Pop Rank | #2 of 53 | -- | -- |
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 →