Lancaster, Pennsylvania ZIP Codes
- ZIP records
4 - Sum of listed ZIP population estimates
176,574 - Counties represented
1 - Population range
404–67,571 per ZIP
Population sum includes positive estimates in these ZIP records; it is not an official city population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | County | Population estimate |
|---|---|---|---|---|
| 1 | 17603 | Lancaster | Lancaster | 67,571 |
| 2 | 17601 | Lancaster | Lancaster | 56,382 |
| 3 | 17602 | Lancaster | Lancaster | 52,217 |
| 4 | 17606 | Lancaster | Lancaster | 404 |
Counties represented
All ZIP Codes in Lancaster
- ZIP 17601 — Lancaster County
- ZIP 17602 — Lancaster County
- ZIP 17603 — Lancaster County
- ZIP 17606 — Lancaster County
Browse all ZIP data for Pennsylvania
Methodology: ZIP records are grouped by the source file's primary city and state fields. Population ranges and sums use positive ZIP-level estimates; sums should not be read as official city totals. County links use each record's listed county assignment.