Custer is located in Custer county South dakota with a geographic area of 2.5 square miles. The total population in Custer is 2,314 with 50.1% male and 49.9% female. Children under age 5 represent 4.2% of the population, under age 18 equal 11.7% of the population and over age 65 is 34.8% of the population. The median household income is $57,300, per capita income is $30,651. There are a total of 1,046 housing units with 65.0% owner occupied. Education includes 29.6% of residents that are high school graduates and 26.6% with a bachelor's degree or higher. The average temperature in Custer in the summer is 64 degrees, and in the winter 15 degrees.
