Ruston is located in Lincoln county Louisiana with a geographic area of 21.1 square miles. The total population in Ruston is 21,987 with 49.1% male and 50.9% female. Children under age 5 represent 3.9% of the population, under age 18 equal 15.7% of the population and over age 65 is 9.9% of the population. The median household income is $32,295, per capita income is $19,309. There are a total of 8,064 housing units with 32.7% owner occupied. Education includes 20.7% of residents that are high school graduates and 36.9% with a bachelor's degree or higher. The average temperature in Ruston in the summer is 80 degrees, and in the winter 51 degrees.