
Fort Pierce South
- County:
- St. Lucie County
- County Seat:
- No
- Area (mi²):
- 2.592
- State:
- Florida
Fort Pierce South is a CDP located in St. Lucie County, Florida. Fort Pierce South has a 2025 population of 5,377. Fort Pierce South is currently growing at a rate of 0.39% annually and its population has increased by 20.34% since the most recent census, which recorded a population of 4,468 in 2020.
The average household income in Fort Pierce South is $64,258 with a poverty rate of 19.59%. The median age in Fort Pierce South is 40.2 years: 41 years for males, and 38.3 years for females.