The Jail System
California has 58 counties. According to surveys completed in 2013, there are 149 jail and adult detention facilities, with a population of 82,220 inmates.
The Prison System
As of December 31, 2015, the California prison population was 129,593. The California Department of Corrections & Rehabilitation manages 35 adult institutions and 4 youth facilities. The Department's projected budget in for 2016-17 is $10.6 billion.
The Community Corrections System
On December 31, 2015, the probation population was 263,531 and the parole population was 86,053.