Abington Township is a township in Montgomery County, Pennsylvania, United States, adjacent to Philadelphia’s northern fringe. The population was 55,310 as of the 2010 census, making it the second most populous township in Montgomery County (following Lower Merion Township). The population density is 3603.3 per square mile, making it the second most densely populated township in Montgomery County (following Cheltenham Township). Abington Township is one of Montgomery County’s oldest communities, dating back to before 1700 and being incorporated in 1704. It is home to some of the county’s oldest transportation routes, industries and churches. Many of these older business and transportation centers were the forerunners of modern Abington. Abington contains the Willow Grove Park Mall, several small businesses, and a few of Montgomery County’s largest employers.