Derry, Westmoreland County
Derry, 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 Derry, Westmoreland County.
| City | Derry |
| State | Pennsylvania (PA) |
| County | Westmoreland |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 40.333959 |
| Longitude | -79.299757 |
| Population | 2,614 |
| Density | 1308.5 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 17815, 15627 |
| Area Code | 215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878 |
| County Seat | Greensburg |
| School District | Derry Area School District |
Derry is a locality in Westmoreland County, Pennsylvania, United States. It has a population of approximately 2,614. The population density is 1308.5 people per km². Derry is located at 40.3340°N, 79.2998°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 15627.
Derry, Pennsylvania, unfolds across a landscape shaped by the gentle, rolling hills and the patient work of water. It lies 22.7 miles east of North Huntingdon, PA (from North Huntingdon, PA: bearing 89°T), and is situated 4.3 miles east-north-east of Latrobe. The air here often carries the damp, earthy scent of the surrounding woodlands, a subtle perfume that deepens as the sun dips low, casting long, softened shadows across fields that have yielded their bounty for generations. The terrain, a quiet confluence of cleared farmland and forested slopes, speaks of a history where human endeavor has worked in concert with the land’s inherent contours, rather than against them. The skies above Derry, vast and often painted with the soft grays of approaching weather or the clear, crisp blues of autumn, reflect the unhurried cadence of life in this corner of Westmoreland County. The story of Derry is one of resilience and a deep-seated connection to the earth, a legacy intertwined with the coal seams that once pulsed beneath its surface, fueling industries and drawing families to its embrace. Though the deep mines have largely fallen silent, the echoes of that robust past still resonate in the sturdy, unpretentious architecture and the enduring spirit of its people. The local economy, once heavily reliant on the industry that defined the region, has found new avenues, often rooted in agriculture and small businesses that serve the immediate needs of the community. There’s a quiet pride in Derry, a sense of belonging cultivated over time, where the changing seasons dictate the rhythm of daily life, from the planting in spring to the harvest that paints the hillsides in hues of gold and russet.
Loading news…
Loading news-world…
Loading news-world…
This page provides an interactive Google map of Derry, 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 Derry and Westmoreland County.
Detailed location data for Derry includes the ZIP code (17815), telephone area code (215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878), county seat of Westmoreland County (Greensburg), and school district assignment (Derry 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 Derry 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. |