Delanco has a long and interesting history, according to "The Delanco Story-It's Past and Present," published in 1976 "Delanco was originally the hunting grounds of the Lenni Lenape or Delaware Indians." "Delanco, situated as it is at the junction of the Delaware and Rancocas, derives its name from a combination of these two words and was originally called Del-Ranco or Delaranco, later shortened to Delanco