United States · South Carolina · Fairfax
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Allendale Correctional Institution is a state prison located in Allendale County, South Carolina. Rated capacity: 1,077. Reported population: 894. Security level: Medium. Data sourced from the HIFLD Prison Boundaries open dataset.
Allendale Correctional Institution is a medium-security state prison for men located in Fairfax, Allendale County, South Carolina, United States, owned and operated by the South Carolina Department of Corrections. The facility was opened in 1989 and has a capacity of 1090 inmates held at medium security.
Source: Wikipedia article lead, CC-BY-SA.
Capacity
1,077
Current population
894
Occupancy
83%
Year opened
1989
Operational
Figures from official sources · verified 2 Jun 2026 · methodology
Population held
Mixed/unknown
Opened
1989
Region
South Carolina
Security level
Medium
Death-row facility
No
No conditions summary available yet.
No visiting information available.
No mailing information available.
Contact the operator's website for inmate-specific procedures.
No major issues documented in our database.
Derived signal — not a judgement. How it's calculated
This facility scores 0. The national average across 7,437 scored United States facilities is 2 — 2 points below national average.
Same country, matched on type + security level where possible.
How many of our profile fields are populated. We surface this so families and researchers know the limits.
Under CC-BY-4.0. Include the URL and access date; the site is a living reference and entries can change.
World Prisons. (2026). Allendale Correctional Institution. Retrieved July 23, 2026, from https://worldprisons.com/prisons/allendale-correctional-institution
"Allendale Correctional Institution." World Prisons. Accessed July 23, 2026. https://worldprisons.com/prisons/allendale-correctional-institution.
@misc{worldprisons-allendale-correctional-inst,
author = {{World Prisons}},
title = {Allendale Correctional Institution},
year = {2026},
url = {https://worldprisons.com/prisons/allendale-correctional-institution},
urldate = {2026-07-23}
}