Marydel (also called Halltown or Marydel) is an unincorporated community in Kent County, Delaware, United States. It lies along Delaware Route 8 West of the city of Dover, the county seat of Kent County and Delaware's state capital. Because the community has borne multiple names, the Board on Geographic Names officially designated it "Marydel" in 1897. Although it is unincorporated, it has a post office, with the ZIP code of 19964. Marydel is an upper and lower class town. Marydel has a lot of self-employed people. Median income for a family in Marydel is under $56,000. Highest income is made by the owners of Thomas Farms and Simmental Meadows; both bank around $900,000.00 a year. Notable areas around Marydel are Wikd R Ranch, Simmental Meadows, and Thomas Farms. Marydel is small and does not have a shopping district.