New Castle, Lawrence County
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| City | New Castle |
| State | Pennsylvania (PA) |
| County | Lawrence |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 41.003672 |
| Longitude | -80.347009 |
| Population | 21,579 |
| Density | 1009.8 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 16101, 16666, 17901, 16102 |
| Area Code | 215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878 |
| County Seat | New Castle |
| School District | New Castle Area School District |
New Castle is a locality in Lawrence County, Pennsylvania, United States. It has a population of 21,579. The population density is 1009.8 people per km². New Castle is located at 41.0037°N, 80.3470°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 16102.
New Castle sits where the land begins to roll, a subtle shift from flatter plains to the beginnings of rolling hills that define western Pennsylvania. It lies 16.5 miles east of Boardman, OH (from Boardman, OH: bearing 95°T), and is situated 8.2 miles south of New Wilmington. The Shenango River, a ribbon of cool, grey water, winds its way through the heart of New Castle, reflecting the often-clouded sky and the sturdy brick buildings that line its banks. Mature trees, their branches reaching like gnarled fingers, punctuate the neighborhoods, their leaves rustling with a sound that seems to hold a quiet wisdom of seasons past. The air here, especially after a spring rain, carries the clean scent of damp earth and distant woodsmoke, a comforting balm that settles over the streets like a familiar blanket. This place was forged in the fires of industry, the echoes of its iron and steel past still palpable in the skeletal remains of old foundries and the enduring strength of its working-class heritage. For generations, the rhythm of New Castle was dictated by the clang of hammers and the hiss of steam, a symphony of production that shaped its very character. Though the grand factories have largely fallen silent, the spirit of innovation and hard work persists, finding new avenues in smaller businesses and a community that values resilience. The city’s architecture tells a story of boom and bust, of proud immigrant families who built lives here, leaving behind a legacy etched in the decorative cornices and the imposing facades of buildings that have weathered the years.
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This page provides an embedded street and satellite map of New Castle, Pennsylvania — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 41.003672, -80.347009. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on New Castle and Lawrence County.
Detailed location data for New Castle includes the ZIP code (16101), telephone area code (215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878), county seat of Lawrence County (New Castle), and school district assignment (New Castle Area School District). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct New Castle is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |