Porcupine is a census-designated place (CDP) in Oglala Lakota County, South Dakota, United States. The population was 925 at the 2020 census.
Students at Brave Heart Day School in Porcupine learn to milk a cow, Oct. 2, 1937
Students at Brave Heart Day School in Porcupine learn to brand a calf, Oct. 2, 1937
Oglala Lakota County, South Dakota
Oglala Lakota County is a county in southwestern South Dakota, United States. As of the 2020 census, the population was 13,672. Oglala Lakota County does not have a functioning county seat; Hot Springs in neighboring Fall River County serves as its administrative center. The county was created as a part of the Dakota Territory in 1875, although it remains unorganized. Its largest community is Pine Ridge.
Indian Health Service Hospital in Pine Ridge on the Pine Ridge Indian Reservation, November 2011