Derwood is located in Montgomery county Maryland with a geographic area of 0.6 square miles. The total population in Derwood is 1,644 with 44.7% male and 55.3% female. Children under age 5 represent 2.9% of the population, under age 18 equal 21.4% of the population and over age 65 is 22.0% of the population. The median household income is $80,595, per capita income is $50,753. There are a total of 640 housing units with 62.2% owner occupied. Education includes 14.5% of residents that are high school graduates and 65.9% with a bachelor's degree or higher. The average temperature in Derwood in the summer is 74 degrees, and in the winter 37 degrees.