Middleville is located in Barry county Michigan with a geographic area of 2.3 square miles. The total population in Middleville is 3,447 with 51.8% male and 48.2% female. Children under age 5 represent 15.2% of the population, under age 18 equal 32.4% of the population and over age 65 is 6.6% of the population. The median household income is $60,521, per capita income is $26,793. There are a total of 1,366 housing units with 74.3% owner occupied. Education includes 35.4% of residents that are high school graduates and 21.7% with a bachelor's degree or higher. The average temperature in Middleville in the summer is 67 degrees, and in the winter 23 degrees.