Facility record / Connecticut
FCI Danbury
FCI Danbury is a federal prison in Danbury, Fairfield County, Connecticut, operated by Federal Bureau of Prisons. It has a rated capacity of 554 and a reported population of 815 — about 147% occupancy, as recorded in the February 2026 federal dataset. By capacity it is the 1st-largest of the 2 federal prison records listed for Connecticut with a published capacity. It is one of 5 correctional facilities in Fairfield 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
- (203) 743-6471
- Address
- Route 37
Danbury, CT 06811Open in maps - Official page
- Official page at bop.gov
- [email protected]
- County
- Fairfield County
Facility details
Capacity
815 people in a facility designed for 554
As of the February 2026 federal dataset.
Listed as open in the February 2026 directory release.
Finding someone
Federal Bureau of Prisons inmate locator
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.
Camps and annexes
| FCI Danbury Camp |
Other facilities in Fairfield County
| Facility | City | Type | Security |
|---|---|---|---|
| Bridgeport Correctional Center | Bridgeport | State prison | Maximum |
| Bridgeport Juvenile Detention Center | Bridgeport | Juvenile facility | Juvenile |
| FCI Danbury Camp | Danbury | Federal prison (Bureau of Prisons) | Minimum |
| Garner Correctional Institution | Newtown | State prison | Maximum |