Middletown is located in Henry county Indiana with a geographic area of 1.2 square miles. The total population in Middletown is 2,472 with 49.7% male and 50.3% female. Children under age 5 represent 5.9% of the population, under age 18 equal 21.2% of the population and over age 65 is 16.0% of the population. The median household income is $51,531, per capita income is $23,582. There are a total of 1,023 housing units with 61.6% owner occupied. Education includes 43.6% of residents that are high school graduates and 15.1% with a bachelor's degree or higher. The average temperature in Middletown in the summer is 73 degrees, and in the winter 29 degrees.