 South Kensington is, however, recognized by the United States Census Bureau as a census-designated place, and by the United States Geological Survey as a populated place located at (39.017683, −77.076605).According to the United States Census Bureau, the place has a total area of 2.1 square miles (5.5 km²), all land.At the 2000 census there were 7,887 people in 3,061 households, including 2,170 families, in the area.