Marlow Heights is an unincorporated area and census-designated place in Prince George's County, Maryland, United States. The population was 6,169 at the 2020 census. The Marlow Heights Shopping Center first opened in 1957, adjacent to the large community of Hillcrest Heights. It was joined ten years later, in 1967, by the two-level Iverson Mall, the Washington metropolitan area's first enclosed mall. For mailing address purposes, the area is part of Temple Hills or Suitland.