Apex is located in Wake county North carolina with a geographic area of 22.0 square miles. The total population in Apex is 55,220 with 48.4% male and 51.6% female. Children under age 5 represent 6.8% of the population, under age 18 equal 29.5% of the population and over age 65 is 7.9% of the population. The median household income is $112,549, per capita income is $47,451. There are a total of 19,228 housing units with 74.9% owner occupied. Education includes 8.4% of residents that are high school graduates and 65.6% with a bachelor's degree or higher. The average temperature in Apex in the summer is 75 degrees, and in the winter 38 degrees.