Claremont is a town in Brown County, South Dakota, United States.

There were 61 housing units at an average density of 244.0 per square mile (94.2/km2).

32.1% of all households were made up of individuals, and 20.8% had someone living alone who was 65 years of age or older.

There were 75 housing units at an average density of 270.6 per square mile (104.5/km2).

33.3% of all households were made up of individuals, and 16.7% had someone living alone who was 65 years of age or older.

There were 17.1% of families and 19.9% of the population living below the poverty line, including 25.0% of under eighteens and 16.0% of those over 64.