Geddes is located in Charles mix county South dakota with a geographic area of 0.7 square miles. The total population in Geddes is 187 with 47.6% male and 52.4% female. Children under age 5 represent 4.3% of the population, under age 18 equal 29.9% of the population and over age 65 is 20.9% of the population. The median household income is $46,000, per capita income is $23,665. There are a total of 76 housing units with 86.8% owner occupied. Education includes 36.8% of residents that are high school graduates and 21.1% with a bachelor's degree or higher. The average temperature in Geddes in the summer is 70 degrees, and in the winter 15 degrees.