Illinois Control Units Statistics
People in long-term isolation in Illinois: 1533
Percent of prisoners in isolation in Illinois: 2%
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Control Unit Populations by Nationality

Pontiac Correctional Center

*Estimated in 2015

Will County Adult Detention Facility

*Estimated in 2014

IL Facilities with Control Units

Facility Year Isolation Population Total Population Capacity Isolation Opened Type of Isolation
Big Muddy River Correctional Center 2008 ? 1860 1152 ? seg (618) 437-5300
Centralia Correctional Center 2008 ? 1528 750 ? seg (618) 533-4111
Danville Correctional Center 2008 87c 1845 896 ? seg 03
Decatur Correctional Center 2008 ? 517 500 ? seg (217) 877-0353
Dixon Correctional Center 2008 212c 2208 1430 ? PsychU 03
Dwight Correctional Center 2008 ? 1039 858 ? seg, condemned, pc (815) 584-28
Graham Correctional Center 2008 ? 1906 974 ? seg, stg (217) 532-6961
Hill Correctional Center 2008 ? 1820 896 ? seg (309) 343-4212
Facility Year Isolation Population Total Population Capacity Isolation Opened Type of Isolation
Illinois River Correctional Center 2008 ? 2004 1011 ? seg (309) 647-7030
Lawrence Correctional Center 2008 ? 915 2257 ? seg (618) 936-2064
Logan Correctional Center 2008 ? 885 500 ? seg (217) 735-5411
Menard Correctional Center 2008 ? 3315 1938 ? seg, condemned, stg, pc (618) 82
Pinckneyville Correctional Center 2008 248c 2052 1176 ? seg 03
Pontiac Correctional Center 2015 700e ? 2000 2013 administrative detention/segrega
Pontiac Correctional Center 2008 ? 1660 1058 ? max-security U
Robinson Correctional Center 2008 ? 1193 600 ? seg 618) 546-5659
Shawnee Correctional Center 2008 ? 1998 1046 ? seg (618) 658-8331
Facility Year Isolation Population Total Population Capacity Isolation Opened Type of Isolation
Stateville Correctional Center 2008 ? 2773 1506 ? seg (815) 727-3607
Tamms Supermax 2008 285c 464 700 1998 500 capacity SHU
Will County Adult Detention Facility 2014 1e 800 1000 2014 Special Management Housing

c = counted

e = estimated