Allegheny County Map, Pennsylvania, U.S.

Written and Fact-checked by | Updated On: November 01, 2025, 14:37 ET

Map of Allegheny County - Allegheny County is a county located in the U.S. state of Pennsylvania. Allegheny County Map showing cities, highways, important places and water bodies. Get Where is Allegheny County located in the map, major cities in Allegheny county, population, areas, and places of interest.

Map of Allegheny County, Pennsylvania

Map of Allegheny County, Pennsylvania

About Allegheny County Map, Pennsylvania: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.

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About Allegheny County, Pennsylvania

Allegheny County is a county located in the U.S. state of Pennsylvania. It's county seat is Pittsburgh. As per 2020 census, the population of Allegheny County is 1238090 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 745 sq mi (1,930 km2). Allegheny County was established on 1788.

Facts about Allegheny County, Pennsylvania

CountryUnited States
StatePennsylvania
RegionWestern Pennsylvania
County SeatPittsburgh
Named AfterAllegheny River
Established1788
Organized1788
Coordinates40.4689° N, 79.9814° W
Total Area~745 sq mi
Land Area~730 sq mi
Water Area~15 sq mi
Population (2020)1,250,578
Population RankSecond most populous county in Pennsylvania
Major CityPittsburgh
Main IndustriesHealthcare, Education, Technology, Finance, Manufacturing
Major AirportPittsburgh International Airport (PIT)
Time ZoneEastern Time (UTC−05:00)
Known ForPittsburgh skyline, Steel industry heritage, Three Rivers
Websitehttps://www.alleghenycounty.us

Top Attractions in Allegheny County, Pennsylvania

  • Pittsburgh Downtown – Cultural, dining, and business center.
  • Point State Park – Rivers confluence and city views.
  • Carnegie Museum of Natural History – Dinosaurs and science exhibits.
  • Carnegie Museum of Art – Modern and contemporary art.
  • Phipps Conservatory and Botanical Gardens – Glasshouse gardens.
  • Andy Warhol Museum – Pop art and modern culture.
  • Duquesne Incline – Historic hillside cable car.
  • PNC Park – Pittsburgh Pirates baseball stadium.
  • Heinz History Center – Western Pennsylvania history.
  • Mount Washington Overlook – Skyline viewpoints.
  • Strip District – Markets, food, and shopping.
  • Rivers Casino Pittsburgh – Gaming and entertainment.

Cities & Towns in Allegheny County, Pennsylvania

Pittsburgh, McKeesport, Monroeville, Bethel Park, West Mifflin, Upper St. Clair, Mount Lebanon, Robinson Township, Oakdale, North Versailles, Penn Hills, Wilkinsburg, Carnegie, Dormont, Heidelberg, Sewickley, Avalon, Forest Hills, Baldwin, West View