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St.. Louis Medium Security Institution
Find the contact details, address, facility type, and official source links Jail411 holds for St.. Louis Medium Security Institution in Misuri. Confirm current custody before acting.
Facility record / Misuri
St.. Louis Medium Security Institution is a correctional facility in St.. Louis, St.. Louis (CITY) County, Misuri. It has a rated capacity of 1,138 and a reported population of 557 — about 49% occupancy, as recorded in the February 2026 federal dataset. By capacity it is the 1st-largest of the 4 correctional facility records listed for Misuri with a published capacity. It is one of 4 correctional facilities in St.. Louis (CITY) County.
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Where this record came from. The contact, status and security fields, with capacity and population, come from the HIFLD and Federal Bureau of Prisons directory release refreshed February 2026. They describe the record, not today’s population. Check the facility’s current official website.
Contact this facility
- Phone
- (314) 389-4790
- Address
- 7600 North Hall St.
St.. Louis, MO 63147Open in maps - Official page
- Official page at stlouis-mo.gov
- County
- St.. Louis (CITY) County
Facility details
Capacity
557 people in a facility designed for 1,138
As of the February 2026 federal dataset.
Listed as open in the February 2026 directory release.
Before you travel, pay, or mail anything
Get two things first: which facility the person is actually in, and their booking or ID number. Almost nothing works without them. Then check this facility’s current instructions — rules and service providers change.
Other facilities in St.. Louis (CITY) County
| Facility | City | Type | Security |
|---|---|---|---|
| Hogan Street Regional Youth Center | Saint Louis | Juvenile facility | Juvenile |
| St.. Louis City Justice Center | St.. Louis | Correctional facility | Maximum |
| Transition Center Of St.. Louis | St.. Louis | State prison | Minimum |
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