Charlestown is located in Cecil county Maryland with a geographic area of 1.2 square miles. The total population in Charlestown is 1,530 with 51.4% male and 48.6% female. Children under age 5 represent 9.2% of the population, under age 18 equal 27.9% of the population and over age 65 is 16.6% of the population. The median household income is $95,938, per capita income is $36,516. There are a total of 611 housing units with 73.5% owner occupied. Education includes 20.9% of residents that are high school graduates and 36.5% with a bachelor's degree or higher. The average temperature in Charlestown in the summer is 74 degrees, and in the winter 37 degrees.
