United States · Florida · Mayo
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Mayo Correctional Institution Annex is a state prison located in Lafayette County, Florida. Rated capacity: 1,345. Reported population: 1,104. Security level: Close. Data sourced from the HIFLD Prison Boundaries open dataset.
The Mayo Correctional Institution Annex is a state prison for men located in Lafayette County, Florida. This facility was opened in 1984 and has a maximum capacity of 1345 prisoners. The original Mayo Correctional Institution on the same property held 1668 prisoners and was closed by the state in 2012. On June 26, 2019 two inmates were alleged to have attacked a correctional officer with improvised weapons. While responding to the assault, staff reported that another inmate may have been killed in a separate part of the institution.
Source: Wikipedia article lead, CC-BY-SA.
Capacity
1,345
Current population
1,104
Occupancy
82%
Year opened
1984
Operational
Figures from official sources · verified 2 Jun 2026 · methodology
Population held
Mixed/unknown
Opened
1984
Region
Florida
Security level
Close
Death-row facility
No
No conditions summary available yet.
No visiting information available.
No mailing information available.
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No major issues documented in our database.
Derived signal — not a judgement. How it's calculated
This facility scores 0. The national average across 7,437 scored United States facilities is 2 — 2 points below national average.
Same country, matched on type + security level where possible.
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Under CC-BY-4.0. Include the URL and access date; the site is a living reference and entries can change.
World Prisons. (2026). Mayo Correctional Institution Annex. Retrieved July 21, 2026, from https://worldprisons.com/prisons/mayo-correctional-institution-annex
"Mayo Correctional Institution Annex." World Prisons. Accessed July 21, 2026. https://worldprisons.com/prisons/mayo-correctional-institution-annex.
@misc{worldprisons-mayo-correctional-instituti,
author = {{World Prisons}},
title = {Mayo Correctional Institution Annex},
year = {2026},
url = {https://worldprisons.com/prisons/mayo-correctional-institution-annex},
urldate = {2026-07-21}
}