Facility record · Maine
Maine State Prison
Warren · Knox County
- SecurityClose
- Population836
- Occupancy91%
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Maine State Prison is a state prison in Warren, Knox County, Maine. It has a rated capacity of 916 and a reported population of 836 — about 91% occupancy, as recorded in the February 2026 federal dataset. By capacity it is the 1st-largest of the 7 state prison records listed for Maine with a published capacity. It is one of 3 correctional facilities in Knox County, and Maine operates 6 state prisons in total.
Contact & details
February 2026 federal directory dataset
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