United States · Kentucky · Williamstown
Grant County Detention Center
Data is aggregated from public sources and may be incomplete or out of date.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 Grant County Detention Center
Step-by-step guidance using the United States system — addresses, money services, visit booking, what to bring on your first visit.
Grant County Detention Center is a county jail located in Grant County, Kentucky. Rated capacity: 348. Reported population: 377. Data sourced from the HIFLD Prison Boundaries open dataset.
Capacity
348
Current population
377
Occupancy
108%
Year opened
—
Operational
Figures from official sources · verified 2 Jun 2026 · methodology
Facility profile
Population held
Mixed/unknown
Opened
—
Region
Kentucky
Security level
—
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
The U.S. Department of Justice investigated Grant County Detention Center, Kentucky under CRIPA and issued a findings letter in May 2005. The matter entered enforcement status, indicating identified constitutional violations requiring remediation.
Documented human-rights cases
- Grant County Detention Center (Kentucky)2005-01-01 · Eighth Amendment / Fourteenth Amendment (US Constitution) â CRIPA · violation
Named subject of CRIPA investigation
Contact & address
Conditions Risk Score
Derived signal — not a judgement. How it's calculated
- Overcrowding
- 5/30
- Oversight reports
- 0/30
- Structural flags
- 5/15
- Death signals
- 0/15
- Conditions text
- 0/10
What the score is responding to:
- · Operating at 108% of design capacity
- · Substantial documented known-issues record
This facility scores 10. The national average across 7,437 scored United States facilities is 2 — 8 points above national average.
Related facilities
Same country, matched on type + security level where possible.
- Southwest Virginia Regional Jail - TazewellTazewellMaximumCounty jail330% occupancy
- Stevens County Jail / CourthouseColvilleCounty jail259% occupancy
- Gallia County JailGallipolisCounty jail336% occupancy
- Noble County JailCaldwellCounty jail542% occupancy
- Stark County JailToulonCounty jail3446% occupancy
- Franklin County Detention FacilitySt. AlbansMaximumCounty jail660% occupancy
Compared to other facilities in United States
7436 peersData completeness
66%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
- HIFLD Prison Boundaries — US Department of Homeland Security â HIFLD Open Data
- OpenStreetMap — OpenStreetMap Contributors
- 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). Grant County Detention Center. Retrieved October 20, 2026, from https://worldprisons.com/prisons/grant-county-detention-center
"Grant County Detention Center." World Prisons. Accessed October 20, 2026. https://worldprisons.com/prisons/grant-county-detention-center.
@misc{worldprisons-grant-county-detention-cent,
author = {{World Prisons}},
title = {Grant County Detention Center},
year = {2026},
url = {https://worldprisons.com/prisons/grant-county-detention-center},
urldate = {2026-10-20}
}