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| City | Tarentum |
| State | Pennsylvania (PA) |
| County | Allegheny |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 40.601456 |
| Longitude | -79.759771 |
| Population | 4,249 |
| Density | 1345.4 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 15084 |
| Area Code | 215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878 |
| County Seat | Pittsburgh |
| School District | Highlands School District |
Tarentum is a locality in Allegheny County, Pennsylvania, United States. It has a population of approximately 4,249. The population density is 1345.4 people per km². Tarentum is located at 40.6015°N, 79.7598°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 15084.
Tarentum, a place of weathered brick and resilient spirit, lies where the Allegheny River, a broad, slow-moving artery, has patiently shaped the land. It lies 7.0 miles north of Plum, PA (from Plum, PA: bearing 356°T), and is situated 8.1 miles north-north-east of Penn Hills. The terrain here rises in gentle, forested slopes from the riverbanks, the trees a varied tapestry of oak and maple that glow with a muted green in the summer months and ignite in fiery hues come autumn. The air, particularly after a rain, carries the damp, earthy scent of the surrounding hills, a scent that mingles with the fainter, metallic tang of industry that once defined this valley. Houses, many of them built with a sturdy, unpretentious grace, cling to these inclines, their windows reflecting the ever-changing sky, from the sharp, clear blue of a winter day to the bruised, dramatic purples of a summer storm. The echoes of Tarentum's past are etched not just in the architecture but in the very character of its people. This was a place forged by the sweat of industry, its fortunes once inextricably linked to the mills and factories that hummed along the river's edge, producing steel and glass that built a nation. Though those days have largely receded, the legacy of hard work and close-knit community remains. Local businesses, from the small grocery stores to the family-run diners, still serve as gathering places, their conversations a low murmur of everyday life, punctuated by the occasional distant rumble of a passing train. The Allegheny River itself, once a highway for commerce, now offers a quieter beauty, its surface often mirroring the soft, diffused light of dusk, a gentle reminder of the enduring natural forces that preside over Tarentum.
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This page provides an embedded street and satellite map of Tarentum, Pennsylvania — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 40.601456, -79.759771. 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 Tarentum and Allegheny County.
Detailed location data for Tarentum includes the ZIP code (15084), telephone area code (215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878), county seat of Allegheny County (Pittsburgh), and school district assignment (Highlands 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 Tarentum is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 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. |