Montgomery County Map, Pennsylvania, U.S.

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

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

Map of Montgomery County, Pennsylvania

Map of Montgomery County, Pennsylvania

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

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About Montgomery County, Pennsylvania

Montgomery County is a county located in the U.S. state of Pennsylvania. It's county seat is Norristown. As per 2020 census, the population of Montgomery County is 860578 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 487 sq mi (1,261 km2). Montgomery County was established on 1784.

Facts about Montgomery County, Pennsylvania

CountryUnited States
StatePennsylvania
RegionSoutheastern Pennsylvania
County SeatNorristown
Named AfterGeneral Richard Montgomery
Established1784
Organized1784
Coordinates40.2290° N, 75.3879° W
Total Area~487 sq mi
Land Area~483 sq mi
Water Area~4 sq mi
Population (2020)856,553
Population RankSecond most populous county in Pennsylvania
Major CityLower Merion Township
Main IndustriesHealthcare, Education, Biotechnology, Finance
Major AirportPhiladelphia International Airport (nearby)
Time ZoneEastern Time (UTC−05:00)
Known ForPhiladelphia suburbs, Corporate campuses, Historic sites
Websitehttps://www.montcopa.org

Facts about Montgomery County, Pennsylvania

CountryUnited States
StatePennsylvania
RegionSoutheastern Pennsylvania
County SeatNorristown
Named AfterGeneral Richard Montgomery
Established1784
Organized1784
Coordinates40.2290° N, 75.3879° W
Total Area~487 sq mi
Land Area~483 sq mi
Water Area~4 sq mi
Population (2020)856,553
Population RankSecond most populous county in Pennsylvania
Major CityLower Merion Township
Main IndustriesHealthcare, Education, Biotechnology, Finance
Major AirportPhiladelphia International Airport (nearby)
Time ZoneEastern Time (UTC−05:00)
Known ForPhiladelphia suburbs, Corporate campuses, Historic sites
Websitehttps://www.montcopa.org

Cities & Towns in Montgomery County, Pennsylvania

Norristown, Lansdale, King of Prussia, Pottstown, Willow Grove, Conshohocken, Ambler, Collegeville, Blue Bell, Royersford, Hatfield, Upper Merion, Lower Merion, Upper Providence, Bridgeport