Roscoe is a city in central Edmunds County, South Dakota, United States.

[7] According to the United States Census Bureau, the city has a total area of 0.47 square miles (1.22 km2), all land.

There were 177 housing units at an average density of 376.6 per square mile (145.4/km2).

42.5% of all households were made up of individuals, and 24.8% had someone living alone who was 65 years of age or older.

There were 167 housing units at an average density of 356.7 per square mile (137.7/km2).

38.6% of all households were made up of individuals, and 23.4% had someone living alone who was 65 years of age or older.