The Jail System
Michigan has 83 counties. According to surveys completed in 2013, there are 87 jail and adult detention facilities, with a population of 16,350 inmates.
The Prison System
As of December 31, 2015, the Michigan prison population was 42,628. The Michigan Department of Corrections operates 26 correctional facilities.
The Community Corrections System
As of December 31, 2015, there were 175,965 probationers and 17,909 parolees under supervision.