Osage is located in Mitchell county Iowa with a geographic area of 2.2 square miles. The total population in Osage is 3,549 with 44.8% male and 55.2% female. Children under age 5 represent 5.2% of the population, under age 18 equal 20.5% of the population and over age 65 is 24.4% of the population. The median household income is $53,246, per capita income is $30,070. There are a total of 1,648 housing units with 78.0% owner occupied. Education includes 34.2% of residents that are high school graduates and 24.0% with a bachelor's degree or higher. The average temperature in Osage in the summer is 70 degrees, and in the winter 23 degrees.
