Chamberlain is located in Brule county South dakota with a geographic area of 4.5 square miles. The total population in Chamberlain is 2,549 with 47.2% male and 52.8% female. Children under age 5 represent 7.6% of the population, under age 18 equal 25.3% of the population and over age 65 is 15.4% of the population. The median household income is $50,461, per capita income is $35,130. There are a total of 1,059 housing units with 52.9% owner occupied. Education includes 20.2% of residents that are high school graduates and 32.9% with a bachelor's degree or higher. The average temperature in Chamberlain in the summer is 72 degrees, and in the winter 15 degrees.