In terms of geographic size, Pine Ridge Indian Reservation and the adjacent Rosebud Indian Reservation (Lakota Sioux Reservations, South Dakota) have long been among the lowest income areas in the United States.
Dalam hal geografis, perlindungan Indian Pine Ridge dan Rosebud Indian Reservation (Lakota Sioux Reservations, South Dakota) telah lama menjadi tempat dengan pendapatan terendah di Amerika Serikat.