Alexandria is located in Hanson county South dakota with a geographic area of 0.6 square miles. The total population in Alexandria is 766 with 50.0% male and 50.0% female. Children under age 5 represent 7.8% of the population, under age 18 equal 28.9% of the population and over age 65 is 20.8% of the population. The median household income is $52,500, per capita income is $25,587. There are a total of 280 housing units with 81.1% owner occupied. Education includes 26.1% of residents that are high school graduates and 21.4% with a bachelor's degree or higher. The average temperature in Alexandria in the summer is 72 degrees, and in the winter 15 degrees.