Christiana is located in Rutherford county Tennessee with a geographic area of 8.9 square miles. The total population in Christiana is 4,701 with 43.0% male and 57.0% female. Children under age 5 represent 4.1% of the population, under age 18 equal 25.8% of the population and over age 65 is 13.4% of the population. The median household income is $95,293, per capita income is $32,274. There are a total of 1,633 housing units with 93.6% owner occupied. Education includes 34.7% of residents that are high school graduates and 31.1% with a bachelor's degree or higher. The average temperature in Christiana in the summer is 77 degrees, and in the winter 38 degrees.