Jacksonville is located in Pulaski county Arkansas with a geographic area of 28.6 square miles. The total population in Jacksonville is 28,442 with 47.4% male and 52.6% female. Children under age 5 represent 7.3% of the population, under age 18 equal 24.0% of the population and over age 65 is 12.6% of the population. The median household income is $48,587, per capita income is $24,189. There are a total of 10,642 housing units with 48.4% owner occupied. Education includes 28.0% of residents that are high school graduates and 21.7% with a bachelor's degree or higher. The average temperature in Jacksonville in the summer is 78 degrees, and in the winter 37 degrees.