The Jail System
South Dakota has 26 jails in 66 counties. The jail population in 2019 was 2,120.
The Prison System
As of December 31, 2019, the number of prisoners under the jurisdiction of South Dakota correctional authorities was 3,801 located in 6 state prisons and held in custody of private prisons or local jails. State operated facilities had a staff of 756 employees and budget of $147,395,991.