Montgomery County, colloquially referred to as Montco, is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population of the county was 856,553, making it the third-most populous county in Pennsylvania after Philadelphia and Allegheny counties, also the most populous county in Pennsylvania without a major city. The county is part of the Southeast Pennsylvania region of the state.
Bryn Mawr is a census-designated place (CDP) located in Pennsylvania, United States. It is located just west of Philadelphia along Lancaster Avenue, also known as U.S. Route 30. As of 2020, the CDP is defined to include sections of Lower Merion Township, Montgomery County, as well as portions of Haverford Township and Radnor Township in Delaware County.
Abington Township is a township in Montgomery County, Pennsylvania, United States. It is adjacent to Philadelphia's northern fringe. The population was 58,502 as of the 2020 census, making it the second most populous township in Montgomery County after Lower Merion Township. The population density is 3603.3 per square mile (1,377/km2), making it the second most densely populated township in Montgomery County after Cheltenham Township.
Eagleville is a census-designated place (CDP) in Montgomery County, Pennsylvania, United States. The population was 4,800 at the 2010 census. It is within Lower Providence Township.
Glenside is a census-designated place (CDP) located in Cheltenham Township and Abington Township in Montgomery County, Pennsylvania, United States. It borders Northwest Philadelphia. The population was 7,737 at the 2020 census on a land area of 1.3 square miles.
Jenkintown is a borough in Montgomery County, Pennsylvania. It is approximately 10 miles (16 km) north of Center City Philadelphia.
Springfield Township is a township in Montgomery County, Pennsylvania. The population was 20,993 in 2022 according the Census Bureau. It includes the villages of Wyndmoor, Erdenheim, Flourtown, and Oreland. The communities of Lafayette Hill, Fort Washington, Laverock, North Hills, Miquon, and Glenside are also situated partly inside the Township.
Trooper is a census-designated place (CDP) in Lower Providence Township, Montgomery County, Pennsylvania, United States. The population was 5,744 at the 2010 census.
Willow Grove is a census-designated place (CDP) in Montgomery County, Pennsylvania, United States. A community in Philadelphia's northern suburbs, the population was 13,730 at the 2020 census. It is located in Abington Township and Upper Moreland Township. Willow Grove was once known for Willow Grove Park, an amusement park that was open from 1896 to 1976, now the site of Willow Grove Park Mall. Willow Grove is considered an edge city of Philadelphia, with large amounts of retail and office space. It was a stop on the network for fugitive enslaved people, known as the Underground Railroad, in the mid 19th century.
Wyncote is a census-designated place (CDP) in Cheltenham Township, Montgomery County, Pennsylvania, United States. It borders the northwestern and northeastern section of Philadelphia. Wyncote is located 11 miles from Center City Philadelphia at the southeasternmost tip of Montgomery County. The Jenkintown-Wyncote SEPTA station is the fifth busiest regional rail station in the SEPTA system.
Ardmore is an unincorporated community and census-designated place (CDP) spanning the border between Delaware and Montgomery counties in the U.S. state of Pennsylvania. The population was 12,455 at the time of the 2010 census and had risen to 13,566 in the 2020 census.
Devon is a census-designated place (CDP) located in Easttown township in Chester County, Pennsylvania, United States. The population was 1,515 at the 2010 census. The area is part of the Philadelphia Main Line suburbs.
Cashtown is a census-designated place in Franklin Township, Adams County, Pennsylvania, United States. The community was part of the Cashtown-McKnightstown CDP, until it was split into two separate CDPs for the 2010 census. As of 2020, the population of Cashtown was 453.
Waverly is a census-designated place (CDP) comprising the central community within Waverly Township in Lackawanna County, Pennsylvania, United States. Originally called Abington Center, it was founded in the late 18th century by settlers from Connecticut, along the Warriors' Path. The population in 2024 according to World Population Review was 504, declining at a rate of -1.37% annually.
Rosemont is a neighborhood and census-designated place in Pennsylvania, on the Philadelphia Main Line. Partly in Lower Merion Township in Montgomery County and partly in Radnor Township in Delaware County, it is best known as the home of Rosemont College. It is the location of the 1894 gothic-revival Anglo-Catholic Church of the Good Shepherd.
Elkins Park is an unincorporated community in Montgomery County, Pennsylvania, United States. It is split between Cheltenham and Abington Townships in the northern suburbs outside of Philadelphia, which it borders along Cheltenham Avenue roughly 7 miles (11 km) from Center City. The community is four station stops from Center City on Septa Regional Rail. It was listed as a census-designated place prior to the 2020 census.
Villanova is a suburb of Philadelphia, Pennsylvania, United States. It straddles Lower Merion Township in Montgomery County and Radnor Township in Delaware County. It is located at the center of the Philadelphia Main Line, a series of Philadelphia suburbs located along the original east–west railroad tracks of the Pennsylvania Railroad. It is served by the SEPTA Paoli/Thorndale Line regional rail train and the Norristown High Speed Line.
Roslyn is an unincorporated community and census-designated place in Montgomery County, Pennsylvania, United States. It is mostly in Abington Township, and extends into Upper Dublin Township as of 2020. Originally called Hillside, the name Roslyn came from rose gardens that once grew there.
McKnightstown is a census-designated place (CDP) in Franklin Township, Adams County, Pennsylvania, United States. It was formerly part of the Cashtown-McKnightstown CDP as of the 2000 census, and was then split into two separate CDPs for the 2010 census.
Cheltenham Township is a home rule municipality and Township of the First Class located in the southeast corner of Montgomery County, Pennsylvania, United States. It borders Philadelphia to the south and east, Abington Township and Jenkintown to the north, and Springfield Township to the west.
