Grasonville is located in Queen anne's county Maryland with a geographic area of 5.5 square miles. The total population in Grasonville is 3,578 with 48.5% male and 51.5% female. Children under age 5 represent 8.4% of the population, under age 18 equal 29.9% of the population and over age 65 is 8.6% of the population. The median household income is $99,550, per capita income is $35,953. There are a total of 1,237 housing units with 71.9% owner occupied. Education includes 31.9% of residents that are high school graduates and 38.6% with a bachelor's degree or higher. The average temperature in Grasonville in the summer is 74 degrees, and in the winter 37 degrees.