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Derry Pennsylvania Map

Explore Derry, Pennsylvania, with this interactive street and satellite map.

This page also offers TOPO MAPS — the official USGS topographic sheets — plus USGS aerial imagery, a labelled USNG grid overlay, a distance and bearing tool, and a GPS grid-reference readout. See How to Use This Map below.

Interactive Map of Derry, Pennsylvania

How to Use This Derry, Pennsylvania Map

This interactive map shows the street layout and satellite imagery for Derry, Pennsylvania. Use the Map and Satellite buttons above to switch between street map and aerial imagery views. Use the + and − buttons to zoom in or out, or scroll your mouse wheel while holding the Control key to zoom. On a touchscreen, use a two-finger pinch gesture. Drag the map to pan to any area of Pennsylvania or beyond.

Click ⛶ Fullscreen to expand the map to fill your screen. To return to the normal page view, press the Escape key, click the ✕ Exit Fullscreen button that appears above the map, or on a mobile device tap the back button (Android) or the close icon (iOS).

TOPO MAPS — NEW. Click the green 🔍 Search Maps button below the map to open a second map with a Base map row offering three choices. OSM is the standard OpenStreetMap street map. Topo shows the official USGS topographic maps from The National Map — contours, hydrography, land cover and shaded relief, the same mapping used for hiking, hunting and back-country navigation in the Adirondacks, the Catskills and the Finger Lakes. Imagery shows USGS aerial photography, mostly 1-metre NAIP. The search box finds any US town, county or landmark by name, so you are not limited to Derry.

Reading the map like a paper quad. Click Grid to overlay the U.S. National Grid (USNG), labelled along the edges exactly as a printed topographic sheet is — at normal zoom the squares are one kilometre across, so you can read a six-figure grid reference by eye and judge distance directly off the map. Click Measure, then tap two points, to get the distance between them together with the grid bearing in degrees and mils, the true bearing, and the magnetic bearing to set on a compass.

Click 📍 My position to take a single GPS reading from your device. It marks where you are and reports your position as a USNG grid reference as well as plain latitude and longitude — USNG being the format FEMA and US search and rescue teams work from — with a Copy position button so you can paste it straight into a text message. It takes one reading and stops, rather than tracking continuously, to conserve your battery. Note that map tiles need cell coverage, but a GPS reading does not — your coordinates stay correct even where the map itself cannot load.

City	Derry
State	Pennsylvania (PA)
County	Westmoreland County
Country	United States of America
Timezone	Eastern Time (America/New_York)

Latitude	40.333431
Longitude	-79.301084
Population	2,639
Density	1319.8 /km²
Incorporated	Yes
ZIP Codes	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

🌦 Goto Derry Weather Page: Derry, Pennsylvania — Weather Warnings, Forecast, Radar, Satellite & Current Conditions

About Derry, Pennsylvania

Derry is a locality in Westmoreland County, Pennsylvania, United States. It has a population of approximately 2,639. The population density is 1319.8 people per km². Derry is located at 40.3334°N, 79.3011°W. It observes the Eastern Time (America/New_York) timezone. Derry is an incorporated locality. ZIP codes: 17815, 15627.

Derry occupies a space where the earth swells into long, rhythmic ridges, defined by the persistent, winding path of McGee Run as it cuts through the landscape. It lies 12.8 miles east of Greensburg, PA (from Greensburg, PA: bearing 80°T), and is situated 4.3 miles east-northeast of Latrobe. The air here holds a crispness that drifts down from the distant, hazy blue silhouettes of the Allegheny Mountains, anchoring the horizon in a permanent, quiet authority. Ethel Springs Lake sits as a mirror to the sky, its surface often undisturbed save for the subtle ripples of a passing breeze or the movement of local wildlife. At the edge of the residential grid, the Derry Area Ball Field & Derry Community Pool provides a focal point for the changing seasons, where the golden light of late afternoon stretches across the grass and turns the shadows of the surrounding trees into long, cooling fingers of shade.

History in Derry remains etched in the iron and coal heritage that once powered the rails, leaving behind a legacy of industry that has since receded into a quieter, more measured pace of life. The surrounding terrain, leading toward the deeper, wooded shadows of Detling Hollow, suggests a land that has been worked by generations, with Forbes State Forest standing as a reminder of the vast, timbered wilderness that once dominated this plateau. Today, the economy relies on a blend of local commerce and the steady pulse of a working-class spirit that values the permanence of the brick storefront and the familiarity of a neighbor’s greeting. Life in Derry follows the turning of the seasons, from the vibrant green of the high summer months to the stark, gray stillness of winter, maintaining a steady, grounded existence that asks for little more than the simple rhythms of the day.

Nearby Outdoor Places

Derry Area Ball Field & Derry Community Pool (Local Recreation) — 0.4 mi, 021° N
Derry Recreation Area (Local Recreation) — 0.5 mi, 184° S
Derry Park (Local Park) — 0.9 mi, 310° NW
Ridgeview Park (Local Park) — 2.2 mi, 041° NE
Forbes State Forest (State Resource Management Area) — 4.0 mi, 043° NE
Keystone State Park (State Park) — 4.0 mi, 307° NW
Site of Strickler's Drug Store, Home of the Banana Split (Monument) — 4.6 mi, 255° W
Latrobe War Memorial (Monument) — 4.6 mi, 253° W
Conemaugh River Lake (Recreation Area) — 4.9 mi, 024° NE
The Dragon & Gwenevere (Attraction) — 5.0 mi, 164° S
Ding Dong Bell (Attraction) — 5.1 mi, 164° S
Little Boy Blue (Attraction) — 5.1 mi, 164° S
Mitzi Mouse (Attraction) — 5.1 mi, 164° S
Smith (Conservation Area) — 5.4 mi, 159° S
Watershed Farm (Conservation Area) — 5.7 mi, 152° SE
Loyalhanna Lake (Recreation Area) — 5.9 mi, 290° W
State Game Land 153 (State Resource Management Area) — 7.6 mi, 041° NE
Amphitheater (Theatre) — 9.1 mi, 265° W
Vietnam Veterans of Westmoreland Co. Memorial (Monument) — 9.3 mi, 263° W
Laurel Ridge State Park (State Park) — 11.7 mi, 114° SE
Powder Mill Nature Reserve (Museum) — 12.1 mi, 173° S
Westmoreland Performing Arts (Arts Centre) — 13.0 mi, 260° W
Wolf Rocks (Viewpoint) — 14.6 mi, 158° S
Mt. Hope School (Historic Ruins) — 19.2 mi, 178° S
Wagner-Ritter House (Museum) — 19.6 mi, 089° E
Bottle Works (Arts Centre) — 19.8 mi, 089° E
Memorial Auditorium (Theatre) — 20.0 mi, 092° E
MovieScoop Indiana Mall Cinemas (Cinema) — 20.0 mi, 018° N
Morley’s Dog (Public Artwork) — 20.1 mi, 091° E
Big Mac Museum (Museum) — 20.6 mi, 268° W

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