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.OriginsThe origins of Bensalem likely comes from references made by settler Joseph Growden, who named his estate as Manor of Bensalem in honor of William Penn, the son of peace and the Semitic term for peace Salem. Originally named Salem, the word Ben' was added in 1701.