Fairburn is located in Custer county South dakota with a geographic area of 0.3 square miles. The total population in Fairburn is 104 with 54.8% male and 45.2% female. Children under age 5 represent 3.8% of the population, under age 18 equal 7.7% of the population and over age 65 is 12.5% of the population. The median household income is $46,500, per capita income is $27,405. There are a total of 58 housing units with 82.8% owner occupied. Education includes 43.1% of residents that are high school graduates and 10.3% with a bachelor's degree or higher. The average temperature in Fairburn in the summer is 70 degrees, and in the winter 15 degrees.