Siloam springs is located in Benton county Arkansas with a geographic area of 11.5 square miles. The total population in Siloam springs is 17,031 with 48.2% male and 51.8% female. Children under age 5 represent 9.4% of the population, under age 18 equal 28.1% of the population and over age 65 is 10.4% of the population. The median household income is $52,073, per capita income is $20,869. There are a total of 5,649 housing units with 55.1% owner occupied. Education includes 29.0% of residents that are high school graduates and 23.3% with a bachelor's degree or higher. The average temperature in Siloam springs in the summer is 76 degrees, and in the winter 37 degrees.