Taylorville Correctional Center is located in Christian County Illinois. It is a minimum security prison that can house 1,221 adult males. Inmates at this facility are considered to have no affiliation with security threat groups, and in general have few problems within the facility.
Stateville Correctional Center is located in Joliet Illinois. It is a maximum security prison that presides over the Northern Reception and Classification Center, and Stateville Minimum Security Unit. Currently this facility can house up to 4,105 adult male offenders.
Southwestern Illinois Correctional Center is located in East St. Louis Illinois. It is a minimum security prison that can house 731 inmates. This facility also presides over Southwestern Illinois Work Camp.
Sheridan Correctional Center is located in LaSalle County Illinois. It is a medium security prison that houses up to 2,099 adult males. This facility puts an emphasize on substance abuse treatment and therapeutic communities to reduce the recidivism rate among offenders. The facility consists of thirteen housing units, and an infirmary unit.
Shawnee Correctional Center is located in Vienna Illinois. It is a medium security institution that can house 2,155 adult males. Shawnee Correctional Center also oversees Hardin County Work Camp. Inmates are housed in four units.
Robinson Correctional Center is located in Crawford County Illinois. It is a minimum security prison that can house up to 1,223 adult males. Inmates are housed in one of six housing units and have access to educational and vocational courses.
Pontiac Correctional Center is located in Livingston County Illinois. It is a maximum security institution that can house up to 2,172 adult inmates. This facility is the parent institution to Pontiac Medium security unit which houses 492 inmates.
Pinckneyville Correctional Center is located in Perry County Illinois. It is a medium security institution that can incarcerate 2,681 adult males. The facility itself is made up of the correctional center, and the Du Quoin Impact Incarcerated Program. Inmates are held in five housing units, one of the units is split with segregation inmates.
Peoria ATC is an adult transition center located in Peoria Illinois. It is responsible for transitioning 248 adult male inmates into society through a variety of programs and services. In order to accomplish this, inmates are structured and prepared to start working, and be self-sufficient upon release.
North Lawndale ATC is an adult transition center located in Chicago Illinois. It has a capacity of 200 male inmates who are housed under a transitional custody status, this is below minimum custody. The purpose of an adult transitional center is to allow the inmates to acclimate and prepare the inmate for life upon being released.