Fort pierce is located in St. lucie county Florida with a geographic area of 23.8 square miles. The total population in Fort pierce is 45,855 with 48.4% male and 51.6% female. Children under age 5 represent 6.7% of the population, under age 18 equal 22.8% of the population and over age 65 is 18.7% of the population. The median household income is $37,624, per capita income is $19,833. There are a total of 16,687 housing units with 47.4% owner occupied. Education includes 28.7% of residents that are high school graduates and 20.0% with a bachelor's degree or higher. The average temperature in Fort pierce in the summer is 81 degrees, and in the winter 56 degrees.