Darnestown is located in Montgomery county Maryland with a geographic area of 16.4 square miles. The total population in Darnestown is 6,754 with 48.2% male and 51.8% female. Children under age 5 represent 4.1% of the population, under age 18 equal 21.5% of the population and over age 65 is 17.9% of the population. The median household income is $188,317, per capita income is $81,591. There are a total of 2,293 housing units with 93.4% owner occupied. Education includes 8.7% of residents that are high school graduates and 78.4% with a bachelor's degree or higher. The average temperature in Darnestown in the summer is 74 degrees, and in the winter 37 degrees.