[8] According to the United States Census Bureau, the city has a total area of 0.39 square miles (1.01 km2), all land.

There were 203 housing units at an average density of 520.5 per square mile (201.0/km2).

31.8% of all households were made up of individuals, and 10.8% had someone living alone who was 65 years of age or older.

The racial makeup of the city was 28.11% White, 70.74% Native American, and 1.15% from two or more races.

24.0% of all households were made up of individuals, and 6.2% had someone living alone who was 65 years of age or older.

Media related to Dupree, South Dakota at Wikimedia Commons