United States · Florida · Mayo
Mayo Correctional Institution Annex
Data is aggregated from public sources and may be incomplete or out of date.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 Mayo Correctional Institution Annex
Step-by-step guidance using the United States system — addresses, money services, visit booking, what to bring on your first visit.
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.
Background
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
Facility profile
Population held
Mixed/unknown
Opened
1984
Region
Florida
Security level
Close
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
Conditions Risk Score
Derived signal — not a judgement. How it's calculated
- 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
Same country, matched on type + security level where possible.
- Nh Correctional Facility For WomenGoffstownCloseState prison154% occupancy
- Ga Diagnostic & Classification State PrisonJacksonCloseState prison136% occupancy
- Mat-Su PretrialPalmerCloseState prison100% occupancy
- Franklin Medical Center (Zone B)ColumbusCloseState prison101% occupancy
- Florida State Prison - West UnitRaifordCloseState prison103% occupancy
- Reception And Medical Center, West UnitLake ButlerCloseState prison107% occupancy
Compared to other facilities in United States
7436 peersData completeness
74%How many of our profile fields are populated. We surface this so families and researchers know the limits.
Sources
- HIFLD Prison Boundaries
- HIFLD dataset query
- Wikipedia — Wikimedia Foundation
- HIFLD Prison Boundaries — US Department of Homeland Security â HIFLD Open Data
- OpenStreetMap — OpenStreetMap Contributors
- Wikidata — Wikimedia Foundation
- Wikipedia category â Prisons in Florida — Wikimedia Foundation
- Wikidata (Q28446308)
- Wikipedia
- Wikimedia Commons
- See /data-sources for our overall methodology.
Cite this page
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 October 20, 2026, from https://worldprisons.com/prisons/mayo-correctional-institution-annex
"Mayo Correctional Institution Annex." World Prisons. Accessed October 20, 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 = {2026-10-20}
}