Henlopen Acres, Delaware  Henlopen Acres is a municipality north of Rehoboth Beach in Sussex County, Delaware, United States, and is the third smallest incorporated town in Delaware. According to 2010 census figures, the population of the town is 122, a decrease of 12.2% from the 2000 census. It is part of the Salisbury, Maryland-Delaware Metropolitan Statistical Area. Henlopen Acres is located at (38.7298343, -75.0862919). According to the United States Census Bureau, the town has a total area of 0.3 square miles (0.7 km²), all of it land. It is the smallest incorporated town in Delaware. It borders the Atlantic Ocean to the northeast, Rehoboth Beach to the southeast, and unincorporated portions of Sussex County on the west and north. Much of its western border is demarcated by the Lewes and Rehoboth Canal. An unincorporated neighborhood called North Shores separates the northernmost part of Henlopen Acres from the southern boundary of Cape Henlopen State Park. Henlopen Acres is divided into 216 parcels of land, on which are 205 homes, the town hall and maintenance area, the town's marina, the Henlopen Acres Beach Club, Block W Beach, and the Rehoboth Art League. The town has 3.6 miles (5.8 kilometers) of roads, which generally are tree-lined. The municipal government of Henlopen Acres consists of seven elected officials who serve on the town's council, one of whom serves as mayor. The town employs eleven workers who manage the town office, operate the marina, maintain streets and easements, and provide security. Henlopen Acres has no police department, but town-owned private security began in 1996. Henlopen Acres shares the services and expense of this security service with the unincorporated neighborhood of North Shores to its north. The security service, which patrols all of Henlopen Acres and North Shores, operates two vehicles. The Rehoboth Beach Fire Department serves Henlopen Acres. Henlopen Acres' municipal government generally maintains amicable relations with the government of Rehoboth Beach, follows Sussex County's lead on how to react to emergencies such as major storms and whether or not to evacuate in the face of them. Within Henlopen Acres governmental affairs generally have run smoothly.