Zip Code 16839 — Grassflat, PA
16839 is a ZIP Code associated with Grassflat, PA, located within Clearfield. 16839 ranks #25 out of 41 ZIP codes in Clearfield County by population (and #1406 out of 1,832 in PA). The area supports an estimated population of 392 residents across Data Pending housing units, with a population density of 136.2 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (41.003190, -78.111130)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 16839 |
| Primary City | Grassflat |
| State / Province | PA |
| County | Clearfield |
| Total Population | 392 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 136.2 people/sq mi |
| Timezone | America/New_York |
How 16839 Compares
| Metric | ZIP 16839 | Clearfield County | PA State Average |
|---|
| Population | 392 | 74,388 (Total) | 13,018,637 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 136.2 /sq mi | -- | -- |
| County Pop Rank | #25 of 41 | -- | -- |
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 →