The Jail System
Maryland has 24 counties. According to surveys completed in 2013, there are 32 jail and adult detention facilities, with a population of 11,520 inmates.
The Prison System
As of December 31, 2015, the Maryland prison population was 20,764. The Department of Public Safety and Correctional Services Division of Correction operates 24 prisons and pre-release centers.
The Community Corrections System
As of Dec. 31, 2015, there were 76,505 adults on probation and 10,887 adults on parole.