Explore New Castle Northwest, Pennsylvania, with this interactive street and satellite map.
| City | New Castle Northwest |
| State | Pennsylvania (PA) |
| County | Lawrence County |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 41.0221 |
| Longitude | -80.3566 |
| Population | 1,397 |
| Density | 620.0 /km² |
| Incorporated | N/A |
| ZIP Code | 16105 |
| Area Code | 215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878 |
| County Seat | New Castle |
| School District | Neshannock Township School District |
New Castle Northwest emerges from the damp, heavy earth of western Pennsylvania where the Shenango River carves a slow, deliberate path through the landscape. It lies 1.4 miles north-northwest of New Castle, PA (from New Castle, PA: bearing 339°T), and is situated 7.0 miles south of New Wilmington. The river, thick and dark with the sediment of the Allegheny Plateau, dictates the rhythm of the terrain, pulling the eye toward the low, timbered ridges that define the horizon. Light here often arrives filtered through a persistent, slate-colored haze, softening the edges of the brick storefronts and the overgrown industrial skeletons that linger in the shadows of the valley. A mile from the water, the quietude of North Mercer Street Park offers a brief respite of manicured grass, a stark contrast to the rugged, untamed silence found eleven miles away in the deep, limestone-walled embrace of the Slippery Rock Creek Gorge.
New Castle Northwest carries the weight of a century defined by the hard, honest labor of the furnace and the forge, where the economy was long forged in the heat of iron and steel. The memory of these industries remains ingrained in the local temperament, visible in the sturdy, unadorned architecture and the resilience of those who call these hills home. While the roar of the mills has largely faded into a persistent hum of modern commerce, the legacy of this work remains in the town's dense, deliberate streets. Residents often look toward the distant Appalachian Mountains as a constant, blue-tinted reminder of the wider world, yet they remain tethered to the local scale, perhaps taking an occasional afternoon to wander toward the mossy, mist-filled depths of Homewood Falls or the placid, reflective surface of Lily Pond.
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This page provides an embedded street and satellite map of New Castle Northwest, Pennsylvania. Coordinates: 41.0221, -80.3566. Live weather conditions are sourced directly from the National Weather Service. Real-time local and world news feeds keep the page current.
Detailed location data for New Castle Northwest includes the ZIP code (16105), 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 (Neshannock Township School District).
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity. Population figures are sourced from the 2020 US Census.
| Page generated | August 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. |