Fort Pierce South is a census-designated place (CDP) in St. Lucie County, Florida, United States. As of the 2020 census, Fort Pierce South had a population of 5,209. It is part of the Port St. Lucie Metropolitan Statistical Area.
Geography
According to the United States Census Bureau, the CDP has a total area of , all land.
Demographics
2020 census
As of the 2020 census, Fort Pierce South had a population of 5,209. The median age was 36.9 years. 24.3% of residents were under the age of 18 and 15.1% of residents were 65 years of age or older. For every 100 females there were 100.8 males, and for every 100 females age 18 and over there were 100.2 males age 18 and over.
100.0% of residents lived in urban areas, while 0.0% lived in rural areas.
There were 1,782 households in Fort Pierce South, of which 35.9% had children under the age of 18 living in them. Of all households, 40.9% were married-couple households, 24.1% were households with a male householder and no spouse or partner present, and 26.0% were households with a female householder and no spouse or partner present. About 23.6% of all households were made up of individuals and 10.1% had someone living alone who was 65 years of age or older.