Home > PA > Lawrence County > New Castle > Zip 16105

Zip Code 16105 — New Castle, PA

16105 is a ZIP Code associated with New Castle, PA, located within Lawrence. The postal region supports an estimated population of 15,418 residents across Data Pending housing units, with a population density of 232.8 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.052850, -80.339180)

Data MetricLocal Statistic
Postal / Zip Code16105
Primary CityNew Castle
State / ProvincePA
CountyLawrence
Total Population15,418
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density232.8 people/sq mi
TimezoneAmerica/New_York

How 16105 Compares

MetricZIP 16105Lawrence CountyPA State Average
Population15,41886,18413,018,637
Median IncomeData PendingN/AN/A
Population Density232.8 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 16172New Wilmington4.5 mi983N/A
Zip 16101New Castle5.2 mi30,767N/A
Zip 16142New Wilmington6.0 mi5,522N/A
Zip 16116Edinburg6.0 mi2,727N/A
Zip 16156Volant6.9 mi3,431N/A

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 →