Jacksonville is located in Onslow county North carolina with a geographic area of 48.7 square miles. The total population in Jacksonville is 74,313 with 61.2% male and 38.8% female. Children under age 5 represent 8.5% of the population, under age 18 equal 21.4% of the population and over age 65 is 6.7% of the population. The median household income is $45,754, per capita income is $23,665. There are a total of 21,126 housing units with 33.0% owner occupied. Education includes 32.2% 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 38 degrees.
