The Jail System
Massachusetts has 19 jails in 14 counties, with a jail population of approximately 10,350.
The Prison System
As of December 31, 2016, the Massachusetts prison population was 9,403 located in 16 prisons with a budget of $615 million.
The Community Corrections System
As of December 31, 2016, the Massachusetts community corrections population was -- under probation and -- under parole.