Zip Code 16142 — New Wilmington, PA
16142 is a ZIP Code associated with New Wilmington, PA, located within Mercer. 16142 ranks #7 out of 20 ZIP codes in Mercer County by population (and #601 out of 1,832 in PA). The area supports an estimated population of 5,522 residents across Data Pending housing units, with a population density of 48.7 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (41.139080, -80.340840)
| Data Metric | Local Statistic |
| Postal / Zip Code | 16142 |
| Primary City | New Wilmington |
| State / Province | PA |
| County | Mercer |
| Total Population | 5,522 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 48.7 people/sq mi |
| Timezone | America/New_York |
How 16142 Compares
| Metric | ZIP 16142 | Mercer County | PA State Average |
| Population | 5,522 | 109,657 (Total) | 13,018,637 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 48.7 /sq mi | -- | -- |
| County Pop Rank | #7 of 20 | -- | -- |
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 →