Miscellaneous Statistics- Adult
The following information is reflective of inmates in the state prison system only. It does not include inmates in county jails.
How much does it cost to keep a state prison inmate incarcerated?
In state fiscal year 2011, the average cost to house an inmate per day in an adult facility was as follows:
| Mike Durfee State Prison | $42.89 | Yankton Minimum Unit | $20.64 | Rapid City Minimum Unit | $79.53 |
| SD State Penitentiary | $60.59 | Jameson Unit C | $15.77 | ||
| SD Women's Prison | $76.69 | SDWP Minimum Unit E | $22.84 | SDWP Unit H | $30.61 |
The average daily cost to supervise someone on Parole was $3.98.
What percent of the inmates were convicted of a violent crime?
As of July 1, 2011, 44-percent of state prison inmates were serving time for a violent crime on that date.
What percent of the inmates were convicted of drunken driving?
Thirteen percent of all inmates were serving time for drunken driving convictions as of July 1, 2011.
What percent of the inmates were convicted of drug offenses?
As of July 1, 2011, 19-percent of inmates were serving time for drug offenses.
What percent of the inmates were convicted of sex offenses?
Eighteen percent of all inmates were serving time for sex offenses as of July 1, 2011.
How many inmates are serving death sentences? How many are serving life sentences?
As of July 1, 2011, there were two inmates sentenced to death in South Dakota.
As of July 1, 2011, there were 226 inmates serving life sentences. 216 of them were male and ten were female.
What is the average sentence for someone in prison?
The average sentence of admissions in state Fiscal Year 2011 was 36 months.
What is the average length of stay to first release?
In FY 2011, it was 21 months for males and for females it was 14 months.