Zip Code 17543 — Lititz, PA
17543 is a ZIP Code associated with Lititz, PA, located within Lancaster. 17543 ranks #4 out of 53 ZIP codes in Lancaster County by population (and #29 out of 1,832 in PA). The area supports an estimated population of 45,912 residents across Data Pending housing units, with a population density of 268.8 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (40.182170, -76.300380)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 17543 |
| Primary City | Lititz |
| State / Province | PA |
| County | Lancaster |
| Total Population | 45,912 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 268.8 people/sq mi |
| Timezone | America/New_York |
How 17543 Compares
| Metric | ZIP 17543 | Lancaster County | PA State Average |
|---|
| Population | 45,912 | 558,164 (Total) | 13,018,637 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 268.8 /sq mi | -- | -- |
| County Pop Rank | #4 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 →