Mankato is located in Blue earth county Minnesota with a geographic area of 19.3 square miles. The total population in Mankato is 42,685 with 49.8% male and 50.2% female. Children under age 5 represent 5.3% of the population, under age 18 equal 17.3% of the population and over age 65 is 12.0% of the population. The median household income is $52,411, per capita income is $26,446. There are a total of 16,828 housing units with 49.9% owner occupied. Education includes 21.7% of residents that are high school graduates and 34.4% with a bachelor's degree or higher. The average temperature in Mankato in the summer is 70 degrees, and in the winter 9 degrees.
