Oak ridge is located in Anderson county Tennessee with a geographic area of 85.3 square miles. The total population in Oak ridge is 29,124 with 48.8% male and 51.2% female. Children under age 5 represent 4.9% of the population, under age 18 equal 24.5% of the population and over age 65 is 17.7% of the population. The median household income is $55,869, per capita income is $32,160. There are a total of 12,073 housing units with 60.7% owner occupied. Education includes 20.9% of residents that are high school graduates and 37.5% with a bachelor's degree or higher. The average temperature in Oak ridge in the summer is 76 degrees, and in the winter 38 degrees.