Zip Code 18921 — Ferndale, PA
18921 is a ZIP Code associated with Ferndale, PA, located within Bucks. 18921 ranks #46 out of 48 ZIP codes in Bucks County by population (and #1638 out of 1,832 in PA). The area supports an estimated population of 160 residents across Data Pending housing units, with a population density of 167.7 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (40.529460, -75.173800)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 18921 |
| Primary City | Ferndale |
| State / Province | PA |
| County | Bucks |
| Total Population | 160 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 167.7 people/sq mi |
| Timezone | America/New_York |
How 18921 Compares
| Metric | ZIP 18921 | Bucks County | PA State Average |
|---|
| Population | 160 | 634,655 (Total) | 13,018,637 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 167.7 /sq mi | -- | -- |
| County Pop Rank | #46 of 48 | -- | -- |
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 →