Mellette is located in Spink county South dakota with a geographic area of 0.3 square miles. The total population in Mellette is 191 with 50.3% male and 49.7% female. Children under age 5 represent 3.7% of the population, under age 18 equal 24.6% of the population and over age 65 is 19.9% of the population. The median household income is $53,750, per capita income is $26,460. There are a total of 82 housing units with 81.7% owner occupied. Education includes 40.2% of residents that are high school graduates and 9.8% with a bachelor's degree or higher. The average temperature in Mellette in the summer is 70 degrees, and in the winter 15 degrees.
