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United States · Illinois · Ina

Big Muddy River Correctional Center

State prisonMediumUnder capacity (56%)LowHigh
Verified
Aging · 5mo ago
Sources last reviewed on

Data is aggregated from public sources and may be incomplete or out of date.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

Big Muddy River Correctional Center is a state prison located in Jefferson County, Illinois. Rated capacity: 2,117. Reported population: 1,179. Security level: Medium. Data sourced from the HIFLD Prison Boundaries open dataset.

Background

The Big Muddy River Correctional Center is a medium-security state prison for men located in Ina, Jefferson County, Illinois, owned and operated by the Illinois Department of Corrections. The facility was first opened in 1993, and has a working capacity of 1,958. It is notable for being the only state prison in Illinois to have a SDP (Sexually Dangerous Person) treatment program. Adler University offers online college classes for those incarcerated at Big Muddy.

Source: Wikipedia article lead, CC-BY-SA.

Capacity

2,117

Current population

1,179

Occupancy

56%

Year opened

1993

Operational

Figures from official sources · verified 2 Jun 2026 · methodology

Facility profile

Population held

Mixed/unknown

Opened

1993

Region

Illinois

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

251 North Illinois Highway 37, Ina 62846

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

This facility scores 0. The national average across 7,437 scored United States facilities is 2 — 2 points below national average.

Related facilities

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Same country, matched on type + security level where possible.

Compared to other facilities in United States

7436 peers
Occupancythis: 56% · peers avg: 93% (40%)
Capacity (beds)this: 2117 · peers avg: 547 (+287%)

Data completeness

74%

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

Sources

Cite this page

Under CC-BY-4.0. Include the URL and access date; the site is a living reference and entries can change.

APA
World Prisons. (2026). Big Muddy River Correctional Center. Retrieved October 20, 2026, from https://worldprisons.com/prisons/big-muddy-river-correctional-center
Chicago
"Big Muddy River Correctional Center." World Prisons. Accessed October 20, 2026. https://worldprisons.com/prisons/big-muddy-river-correctional-center.
BibTeX
@misc{worldprisons-big-muddy-river-correctiona,
  author = {{World Prisons}},
  title = {Big Muddy River Correctional Center},
  year = {2026},
  url = {https://worldprisons.com/prisons/big-muddy-river-correctional-center},
  urldate = {2026-10-20}
}