Sloan is located in Woodbury county Iowa with a geographic area of 0.6 square miles. The total population in Sloan is 1,035 with 49.9% male and 50.1% female. Children under age 5 represent 7.1% of the population, under age 18 equal 21.4% of the population and over age 65 is 18.9% of the population. The median household income is $70,417, per capita income is $31,998. There are a total of 432 housing units with 81.9% owner occupied. Education includes 30.6% of residents that are high school graduates and 25.0% with a bachelor's degree or higher. The average temperature in Sloan in the summer is 73 degrees, and in the winter 23 degrees.