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United States · South Carolina · Fairfax

Allendale Correctional Institution

State prisonMediumUnder capacity (83%)LowHigh
Verified 2 Jun 2026
Fresh · 29d ago

Data is aggregated from public sources and may be incomplete or out of date.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.

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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.

Open toolkit

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

Facility profile

Operator

South Carolina Department of Corrections

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

1057 Revolutionary Trail, Fairfax 29827
(803) 632-2561
Official site

Conditions Risk Score

Derived signal — not a judgement. How it's calculated

0/100
Low concern0/100
Overcrowding
0/30
Oversight reports
0/30
Structural flags
0/15
Death signals
0/15
Conditions text
0/10

Compared to other facilities in United States

7324 peers
Occupancythis: 83% · peers avg: 93% (11%)
Capacity (beds)this: 1077 · peers avg: 559 (+93%)

Data completeness

74%

How many of our profile fields are populated. We surface this so families and researchers know the limits.

Sources