Massachusetts Correctional Institution – Concord

Massachusetts Correctional Institution – Concord is a medium security prison in Massachusetts. The facility occupies a large piece of land and houses male inmates in separate cell blocks.

The facility opened in 1878 as the New State Prison under strict security standards. In 2009 it was reclassified to medium security status, reflecting shifts in how the institution approached rehabilitation.

The facility transformed from a maximum security institution to a medium security prison in 2009, reflecting changes in correctional approaches and rehabilitation methods.

Access to the facility is restricted and generally not open to the public without special authorization. Visitors must contact the authorities and follow security protocols before visiting.

Malcolm X spent 15 months here in the late 1940s, a period that shaped his spiritual and intellectual growth. This connection to the civil rights figure adds to the facility's historical significance beyond its role as a prison.

Location: Massachusetts

Official opening: May 1878

GPS coordinates: 42.46470,-71.39560

Latest update: December 7, 2025 20:22