United States · State

Illinois

22 correctional facilities in our database

Data is aggregated from public sources and may be incomplete or out of date. Always verify with primary sources before acting on any figure. See data sources.

Total facilities

Known population

—

Sum of known populations

Overcrowded

3 facilities with capacity data

Facilities w/ capacity

All facilities in Illinois

Alton Military Prison

United States

First Illinois state penitentiary and Union prison

Type

State prison

Capacity

1,833

Held

—

Champaign County Jail

United States · Urbana

Type

—

Capacity

—

Held

—

Cook County Jail

United States · Chicago

Type

—

Capacity

—

Held

—

Dwight Correctional Center

United States · Dwight

Type

State prison

Capacity

—

Held

—

FCI Marion

United States · Marion

Medium

Type

Federal â FCI

Capacity

—

Held

—

FCI Thomson

United States · Thomson

Low

Type

Federal â FCI

Capacity

—

Held

—

Federal Correctional Institution, Thomson

United States · Thomson

High

Type

State prison

Capacity

1,500

Held

—

Moderate

Former Kane County Correction Center

United States

Type

—

Capacity

—

Held

—

Illinois Youth Center

United States · Harrisburg

Type

—

Capacity

—

Held

—

Illinois Youth Center Saint Charles

United States · St. Charles

Type

—

Capacity

—

Held

—

Joliet Prison

United States

Type

State prison

Capacity

—

Held

—

Juvenile Temporary Detention Center

United States · Chicago

Type

—

Capacity

—

Held

—

Lake County Jail

United States · Waukegan

Type

—

Capacity

—

Held

—

Lake County Juvenile Justice Center

United States · Vernon Hills

Type

—

Capacity

—

Held

—

Macon County Sheriff

United States · Decatur

Type

—

Capacity

—

Held

—

Mary Davis Detention Home

United States · Galesburg

Type

—

Capacity

—

Held

—

Mason County Jail

United States · Havana

Type

—

Capacity

—

Held

—

Mercer County Jail

United States · Aledo

Type

—

Capacity

—

Held

—

Saint Clair County Jail

United States · Belleville

Type

—

Capacity

—

Held

—

Shelby County Jail

United States · Shelbyville

Type

—

Capacity

—

Held

—

Tamms Correctional Center

United States · Tamms

Minimum - Supermax

Type

State prison

Capacity

753

Held

—

United States Penitentiary, Marion

United States · Marion

Type

—

Capacity

—

Held

—