Ashton-Sandy Spring is a census-designated place (CDP) in Montgomery County, Maryland, United States.

As of census[5] 2010, there were 5,628 people, 1,839 households, and 1,434 families residing in the area.

There were 1,936 housing units at an average density of 254.7 per square mile (98.3/km2).

There were 1,839 households, out of which 35.9% had children under the age of 18 living with them, 66.6% were married couples living together, 8.5% had a female householder with no husband present, and 22.0% were non-families.

Males had an estimated median income of $86,250 versus $94,861 for females.