The Elgin Mental Health Center is a mental health facility operated by the State of Illinois in Elgin, Illinois. Throughout its history, Elgin's mission has changed. At times, it treated mental illness, tuberculosis, and provided federally funded care for veterans. The hospital's site, which included a patient-staffed farm reached a maximum of 1,139 acres (461 ha) after World War II. Its maximum population was reached in the mid 1950s with 7,700 patients. Between 1993 and 2008, most of the older buildings in the complex were demolished due to being in poor condition as the result of being abandoned for decades. The site is/was popular among teens and in the paranormal world due to its claims of hauntings in the older buildings and the hospital's cemetery.