Garretson is located in Minnehaha county South dakota with a geographic area of 1.5 square miles. The total population in Garretson is 1,493 with 42.1% male and 57.9% female. Children under age 5 represent 7.6% of the population, under age 18 equal 27.2% of the population and over age 65 is 18.0% of the population. The median household income is $58,476, per capita income is $28,661. There are a total of 618 housing units with 60.5% owner occupied. Education includes 27.8% of residents that are high school graduates and 23.3% with a bachelor's degree or higher. The average temperature in Garretson in the summer is 70 degrees, and in the winter 15 degrees.
