Bensalem Township is a township in Bucks County, Pennsylvania, United States which borders the northeast section of Philadelphia. The township is composed of many communities, including Andalusia, Bensalem, Bridgewater, Cornwells Heights, Eddington, Flushing, Oakford, Siles, Trappe, and Trevose . As of the 2010 census, the township had a total population of 60,427, which makes it the largest municipality in Bucks County, and the ninth largest in Pennsylvania. The township, which was founded in 1692, is almost as old as Pennsylvania itself, which was founded in 1682.