Delanco was named for the Delaware River and Rancocas Creek, which border the community. It was originally called Del-Ranco or Delaranco, a syllabic abbreviation later shortened to Delanco. It is a dry township where alcohol cannot be sold. Riverside Floral Co. delivers flowers to Delanco, NJ. The next time you need flower delivery, think of Riverside Floral Co. We have something to suit everyone's floral needs.