Greencastle, Pennsylvania — interactive Google street map, satellite and terrain views, Street View, live National Weather Service conditions and 7-day forecasts, real-time local and world news, and an editorial description of Greencastle, Franklin County.
| City | Greencastle |
| State | Pennsylvania (PA) |
| County | Franklin |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 39.790371 |
| Longitude | -77.727771 |
| Population | 4,222 |
| Density | 1030.5 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 17225 |
| Area Code | 215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878 |
| County Seat | Chambersburg |
| School District | Greencastle-Antrim School District |
Greencastle is a locality in Franklin County, Pennsylvania, United States. It has a population of approximately 4,222. The population density is 1030.5 people per km². Greencastle is located at 39.7904°N, 77.7278°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 17225.
Greencastle lies at the heart of a fertile valley, where the rolling hills of Franklin County gently unfurl like rumpled linen. It lies 10.3 miles north of Hagerstown, MD (from Hagerstown, MD: bearing 358°T), and is situated 2.3 miles north of Antrim Township. The air here, especially in the late afternoon, carries the sweet, earthy scent of sun-baked soil and ripening corn, a perfume that clings to the weathered barns and the quiet streets. Ancient oak trees, their limbs gnarled and widespread, stand sentinel along the roadside, their leaves whispering secrets to the passing breeze. The landscape is a patchwork of verdant fields, punctuated by the darker green of distant woodlands, and crisscrossed by narrow lanes that invite slow exploration, promising glimpses of sturdy farmhouses and grazing livestock. This is a place shaped by the steady hand of agriculture, where generations have coaxed sustenance from the rich limestone soil. The legacy of those who first settled here, drawn by the promise of fertile ground, is still palpable in the enduring farmsteads and the careful cultivation of the land. While the economy has diversified over the years, the agricultural spirit remains, a quiet current beneath the surface of everyday life. The nearby Antietam Creek, a ribbon of silver threading through the countryside, has witnessed the ebb and flow of history, its waters reflecting the passage of time and the enduring character of Greencastle.
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This page provides an interactive Google map of Greencastle, Pennsylvania with street, satellite and terrain views and integrated Street View imagery. 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 Greencastle and Franklin County.
Detailed location data for Greencastle includes the ZIP code (17225), telephone area code (215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878), county seat of Franklin County (Chambersburg), and school district assignment (Greencastle-Antrim 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 Greencastle is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | June 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. |