Alton Military Prison
Data is aggregated from public sources and may be incomplete or out of date. Always verify with primary sources before acting on any figure. See data sources.
For families
How to send mail, money, and visit Alton Military Prison
Step-by-step guidance using the United States system — addresses, money services, visit booking, what to bring on your first visit.
Gallery
From Wikimedia Commons (CC-BY-SA where not otherwise stated).
Photo by Unknown authorUnknown author via Wikimedia Commons (Public domain)
Photo by Nyttend via Wikimedia Commons (Public domain)
Photo by Mook, George J. via Wikimedia Commons (Public domain)
Photo by Mook, George J. via Wikimedia Commons (Public domain)
Photo by Sandidge, P.S. via Wikimedia Commons (Public domain)
Background
The Alton Military Prison was a prison located in Alton, Illinois, built in 1833 as the first state penitentiary in Illinois and closed in 1857. During the American Civil War, the prison was reopened in 1862 to accommodate the growing population of Confederate prisoners of war and ceased to be prison at the end of the war in 1865. The prison building was demolished not long after the Civil War. All that remains of the former prison site is a section of ruin wall that is maintained by the State of Illinois as an historic site. The prison site is included in the U.S. National Register of Historic Places.
Source: Wikipedia article lead, CC-BY-SA.
Capacity
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Current population
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Occupancy
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Year opened
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Operational
Facility profile
Operator
Illinois Department of Corrections
Population held
Mixed/unknown
Opened
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Region
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Security level
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Death-row facility
No
Conditions
No conditions summary available yet.
Visiting
No visiting information available.
Mailing
No mailing information available.
Practical info
Contact the operator's website for inmate-specific procedures.
Known issues
No major issues documented in our database.
Contact & address
No public contact details available.
Conditions Risk Score
Derived signal — not a judgement. How it's calculated
Data completeness
20%How many of our profile fields are populated. We surface this so families and researchers know the limits.
Sources
- Wikidata — Wikimedia Foundation
- Wikipedia — Wikimedia Foundation
- See /data-sources for our overall methodology.