About Ardmore, Pennsylvania
Coordinates: 40°00?24?N 75°17?07?W? / ?40.00667°N 75.28528°W? / 40.00667; -75.28528Ardmore is a census-designated place (CDP) in Delaware and Montgomery counties in the U.S. state of Pennsylvania. The population was 12,455 at the 2010 census. The community of Ardmore is a suburb on the west side of Philadelphia, primarily within Lower Merion Township in Montgomery County; a smaller portion of the community is the area of Ardmore Park in adjacent Haverford Township in Delaware County. Originally named Athensville in 1853, the community and its railroad station were renamed Ardmore in 1873 by the Pennsylvania Railroad, on whose "Main Line" west out of Philadelphia Ardmore sits, at Milepost 8.5.