Graham Correctional Center is a Level 4 medium-security adult male state prison in Hillsboro, Illinois.

Graham Correctional Center consists of 50 buildings located on 117 acres (0.47 km2; 0.183 sq mi).

It houses a residential sex offender program and substance abuse treatment as well as vocational and academic classes for prisoners.

The facility also houses an Illinois Department of Corrections (IDOC) Reception and Classification Center.

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