Zip Code 15673 — North Apollo, PA
15673 is a ZIP Code associated with North Apollo, PA, located within Armstrong. 15673 ranks #12 out of 27 ZIP codes in Armstrong County by population (and #1114 out of 1,832 in PA). The area supports an estimated population of 1,156 residents across Data Pending housing units, with a population density of 826.0 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (40.593830, -79.556340)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 15673 |
| Primary City | North Apollo |
| State / Province | PA |
| County | Armstrong |
| Total Population | 1,156 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 826.0 people/sq mi |
| Timezone | America/New_York |
How 15673 Compares
| Metric | ZIP 15673 | Armstrong County | PA State Average |
|---|
| Population | 1,156 | 62,379 (Total) | 13,018,637 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 826.0 /sq mi | -- | -- |
| County Pop Rank | #12 of 27 | -- | -- |
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 →