About Essington, Pennsylvania
Coordinates: 39°52?31?N 75°15?59?W? / ?39.87528°N 75.26639°W? / 39.87528; -75.26639Tinicum Township, more popularly known as "Tinicum Island" or "The Island", a census-designated place and township in Delaware County, Pennsylvania, United States. The population was 4,353 at the 2000 census. Included within the township's boundaries are the communities of Essington and Lester. One of the island's notable aspects is the John Heinz National Wildlife Refuge at Tinicum, attracting visitors to the island year-round.