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United States · Missouri · St. Louis

St. Louis Medium Security Institution

Local jailMediumUnder capacity (49%)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Data is aggregated from public sources and may be incomplete or out of date.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.

For families

How to send mail, money, and visit St. Louis Medium Security Institution

Step-by-step guidance using the United States system — addresses, money services, visit booking, what to bring on your first visit.

Open toolkit

St. Louis Medium Security Institution is a local jail located in St. Louis (City) County, Missouri. Rated capacity: 1,138. Reported population: 557. Security level: Medium. Data sourced from the HIFLD Prison Boundaries open dataset.

Capacity

1,138

Current population

557

Occupancy

49%

Year opened

—

Operational

Figures from official sources · verified 2 Jun 2026 · methodology

Facility profile

Population held

Mixed/unknown

Opened

—

Region

Missouri

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

7600 North Hall St, St. Louis 63147
(314) 389-4790
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

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

Related facilities

All in United States →

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

Compared to other facilities in United States

7436 peers
Conditions risk scorethis: 0/100 · peers avg: 2/100 (100%)

Higher risk than 0% of peer facilities in United States.

Occupancythis: 49% · peers avg: 93% (47%)
Capacity (beds)this: 1138 · peers avg: 547 (+108%)

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). St. Louis Medium Security Institution. Retrieved October 21, 2026, from https://worldprisons.com/prisons/st-louis-medium-security-institution
Chicago
"St. Louis Medium Security Institution." World Prisons. Accessed October 21, 2026. https://worldprisons.com/prisons/st-louis-medium-security-institution.
BibTeX
@misc{worldprisons-st-louis-medium-security-in,
  author = {{World Prisons}},
  title = {St. Louis Medium Security Institution},
  year = {2026},
  url = {https://worldprisons.com/prisons/st-louis-medium-security-institution},
  urldate = {2026-10-21}
}