Gambrills is located in Anne arundel county Maryland with a geographic area of 7.6 square miles. The total population in Gambrills is 2,929 with 50.8% male and 49.2% female. Children under age 5 represent 4.9% of the population, under age 18 equal 23.8% of the population and over age 65 is 15.5% of the population. The median household income is $140,238, per capita income is $49,408. There are a total of 976 housing units with 89.9% owner occupied. Education includes 19.0% of residents that are high school graduates and 52.4% with a bachelor's degree or higher. The average temperature in Gambrills in the summer is 74 degrees, and in the winter 37 degrees.