Ravinia is a town in Charles Mix County, South Dakota, United States.

[7] According to the United States Census Bureau, the town has a total area of 0.25 square miles (0.65 km2), all land.

There were 36 housing units at an average density of 144.0 per square mile (55.6/km2).

36.4% of all households were made up of individuals, and 13.6% had someone living alone who was 65 years of age or older.

34.6% of all households were made up of individuals, and 15.4% had someone living alone who was 65 years of age or older.

There were 16.7% of families and 24.7% of the population living below the poverty line, including 30.8% of under eighteens and none of those over 64.