Middletown is located in Frederick county Maryland with a geographic area of 2.1 square miles. The total population in Middletown is 4,694 with 47.6% male and 52.4% female. Children under age 5 represent 6.0% of the population, under age 18 equal 27.4% of the population and over age 65 is 14.7% of the population. The median household income is $142,903, per capita income is $51,654. There are a total of 1,568 housing units with 82.0% owner occupied. Education includes 12.2% of residents that are high school graduates and 58.0% with a bachelor's degree or higher. The average temperature in Middletown in the summer is 74 degrees, and in the winter 37 degrees.
