Manchester is located in Carroll county Maryland with a geographic area of 2.3 square miles. The total population in Manchester is 4,752 with 49.5% male and 50.5% female. Children under age 5 represent 5.0% of the population, under age 18 equal 21.7% of the population and over age 65 is 14.5% of the population. The median household income is $91,723, per capita income is $38,843. There are a total of 1,737 housing units with 86.1% owner occupied. Education includes 29.2% of residents that are high school graduates and 29.9% with a bachelor's degree or higher. The average temperature in Manchester in the summer is 74 degrees, and in the winter 37 degrees.