Grasonville is a census-designated place (CDP) in Queen Anne's County, Maryland, United States.

As of the 2010 census,[4] there were 3,425 people, 1,248 households, and 871 families residing in the CDP.

The population density was 619.9 people per square mile.

The racial makeup of the CDP was 72.06% White, 20.06% African American, 0.64% Native American, 1.49% Asian, 2.92% from other races, and 2.83% from two or more races.

286 households were made up of individuals, and 116 had someone living alone who was 65 years of age or older.