Fort Pierce is a city located in St. Lucie County Florida. It is also the county seat of St. Lucie County. With a 2020 population of 46,437, it is the 64th largest city in Florida and the 852nd largest city in the United States . Fort Pierce is currently growing at a rate of 0.36% annually and its population has increased by 11.65% since the most recent census, which recorded a population of 41,590 in 2010. Fort Pierce reached it's highest population of 46,437 in 2021. Spanning over 30 miles, Fort Pierce has a population density of 1,961 people per square mile.
The average household income in Fort Pierce is $47,530 with a poverty rate of 29.39%. The median rental costs in recent years comes to $943 per month, and the median house value is $113,600. The median age in Fort Pierce is 38.2 years, 35.2 years for males, and 40.4 years for females.