There are 113 Jails & Prisons in South Dakota, serving a population of 855,444 people in an area of 75,791 square miles. There is 1 Jail & Prison per 7,570 people, and 1 Jail & Prison per 670 square miles.
The state of South Dakota is ranked 3rd in Jails & Prisons per capita, and 42nd in Jails & Prisons per square mile.