United States · South Carolina · Fairfax
Allendale Correctional Institution
Data is aggregated from public sources and may be incomplete or out of date.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 Allendale Correctional Institution
Step-by-step guidance using the United States system — addresses, money services, visit booking, what to bring on your first visit.
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.
Background
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
Facility profile
Population held
Mixed/unknown
Opened
1989
Region
South Carolina
Security level
Medium
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
Conditions Risk Score
Derived signal — not a judgement. How it's calculated
- Overcrowding
- 0/30
- Oversight reports
- 0/30
- Structural flags
- 0/15
- Death signals
- 0/15
- Conditions text
- 0/10
This facility scores 0. The national average across 7,437 scored United States facilities is 2 — 2 points below national average.
Related facilities
Same country, matched on type + security level where possible.
- Wasco State Prison (Wsp)WascoMediumState prison172% occupancy
- Iowa Medical & Classification CenterCoralvilleMediumState prison153% occupancy
- Correctional Training Facility (Ctf)SoledadMediumState prison150% occupancy
- North Kern State Prison (Nksp)DelanoMediumState prison167% occupancy
- Valley State Prison (Vsp)ChowchillaMediumState prison180% occupancy
- Chuckawalla Valley State Prison (Cvsp)BlytheMediumState prison162% occupancy
Compared to other facilities in United States
7436 peersData completeness
74%How many of our profile fields are populated. We surface this so families and researchers know the limits.
Sources
- HIFLD Prison Boundaries
- HIFLD dataset query
- Wikipedia — Wikimedia Foundation
- HIFLD Prison Boundaries — US Department of Homeland Security â HIFLD Open Data
- OpenStreetMap — OpenStreetMap Contributors
- Wikidata — Wikimedia Foundation
- Wikidata (Q28446539)
- Wikipedia
- See /data-sources for our overall methodology.
Cite this page
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 October 15, 2026, from https://worldprisons.com/prisons/allendale-correctional-institution
"Allendale Correctional Institution." World Prisons. Accessed October 15, 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 = {2026-10-15}
}