Cottage grove is located in Washington county Minnesota with a geographic area of 33.6 square miles. The total population in Cottage grove is 37,120 with 50.2% male and 49.8% female. Children under age 5 represent 6.4% of the population, under age 18 equal 27.8% of the population and over age 65 is 12.2% of the population. The median household income is $102,600, per capita income is $40,333. There are a total of 12,266 housing units with 88.9% owner occupied. Education includes 19.5% of residents that are high school graduates and 40.6% with a bachelor's degree or higher. The average temperature in Cottage grove in the summer is 70 degrees, and in the winter 9 degrees.
