Carrollwood is an unincorporated community in Hillsborough County, Florida, United States. Although a separate community, it is a part of the larger census-designated place (CDP) of the same name. The ZIP code for the community is 33618. The community was a census-designated place during the 1990 census, when the community recorded a population of 7,195. Carrollwood was founded in 1959 and was built out in the 1960s. The community spread westward during the 1970s and 80's. The community was struck by a tornado outbreak, which occurred throughout Central Florida on April 4, 1966.