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Irwin Pennsylvania Map

Explore Irwin, 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 Irwin, Pennsylvania

How to Use This Irwin, Pennsylvania Map

This interactive map shows the street layout and satellite imagery for Irwin, 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 Irwin.

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

Latitude	40.324514
Longitude	-79.701155
Population	3,902
Density	1800.0 /km²
Incorporated	Yes
ZIP Code	15642
Area Code	215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878
County Seat	Greensburg
School District	Norwin School District

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

About Irwin, Pennsylvania

Irwin is a locality in Westmoreland County, Pennsylvania, United States. It has a population of approximately 3,902. The population density is 1800.0 people per km². Irwin is located at 40.3245°N, 79.7012°W. It observes the Eastern Time (America/New_York) timezone. Irwin is an incorporated locality. ZIP code: 15642.

Irwin emerges from the undulating landscape of the Allegheny Plateau as a collection of brick facades and sloped streets that catch the amber light of late afternoon. It lies 1.6 miles east-southeast of North Huntingdon, PA (from North Huntingdon, PA: bearing 104°T), and is situated 8.1 miles southeast of Monroeville. Brush Creek carves a determined path through the lower reaches, its waters reflecting the gray, industrial sky that often hangs over the region. Within the town limits, Irwin Park offers a quiet expanse of green where the local pace slows, providing a sanctuary of grass and trees that contrasts with the rhythmic transit of the surrounding slopes. The horizon remains dominated by the earth itself, a sturdy, terrestrial presence that defines the boundaries of the valley floor, while the distant, jagged silhouette of the Allegheny Mountains suggests a vastness that lies far beyond the immediate horizon.

Industry and the passage of rail once dictated the pulse of Irwin, anchoring its economy in the hard-won labor of the coal and steel era that defined the broader region. Today, the echoes of those mid-century engines have softened, replaced by the persistent, humming commerce of small storefronts and the daily movement of residents across the grid. The nearby expanse of Possum Hollow serves as a reminder of the rugged, uncultivated terrain that persists just outside the urban footprint, while Indian Lake remains a localized point of stillness for those seeking the quiet of a shoreline. Life in Irwin moves with a steady, grounded consistency, shaped by a history of extraction and grit that left behind a permanent, resilient character in the architecture and the people who maintain it.

Nearby Outdoor Places

Big Mac Museum (Museum) — 0.5 mi, 117° SE
Irwin War Memorial (Monument) — 0.6 mi, 298° NW
Hahntown War Memorial (Monument) — 0.7 mi, 255° W
Brick Hill War Memorial (Monument) — 0.9 mi, 333° NW
Hilltop Park (Local Park) — 0.9 mi, 303° NW
Oak Hollow Park (Local Park) — 1.3 mi, 005° N
Coke Ovens (Historic Ruins) — 2.5 mi, 319° NW
Otto and agdalene Ackermann Nature Preserve (Local Conservation Area) — 3.0 mi, 311° NW
Westmoreland Land Trust Acquisitions - Phase I (Local Recreation) — 3.0 mi, 311° NW
Otto & Magdalene Ackermann Nature Preserve (Conservation Area) — 3.0 mi, 311° NW
Lazar (Bushy Run Battlefield) (Conservation Area) — 4.0 mi, 060° NE
Farmhouse Ruins (Historic Ruins) — 4.5 mi, 292° W
Phoenix Big Cinemas North Versailles Stadium 18 (Cinema) — 5.5 mi, 307° NW
Zorianna Bay (Viewpoint) — 5.9 mi, 239° SW
Spaceballs The Unauthorized Museum and Gift Shop (Museum) — 6.7 mi, 295° NW
Nittany Lion Shrine (Public Artwork) — 6.8 mi, 282° W
Church Arcade (Theme Park) — 8.3 mi, 294° NW
Westmoreland Performing Arts (Arts Centre) — 8.4 mi, 101° E
Westinghouse Atom Smasher (Attraction) — 9.6 mi, 309° NW
Amphitheater (Theatre) — 11.0 mi, 199° S
Churchill Valley Greenway (Nature Reserve) — 11.5 mi, 319° NW
Penn Hills Cinemas (Cinema) — 11.6 mi, 325° NW
Bloop Museum (Museum) — 12.0 mi, 329° NW
Glitterbox Theater (Theatre) — 12.5 mi, 296° NW
Keystone State Park (State Park) — 15.6 mi, 078° E
Ohiopyle State Park (State Park) — 28.6 mi, 158° S

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