United States · TX · Huntsville
Huntsville
Data is aggregated from public sources and may be incomplete or out of date.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 Huntsville
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Gallery
From Wikimedia Commons (CC-BY-SA where not otherwise stated).
Photo by Oldsclphoto13 via Wikimedia Commons (CC BY 4.0)
Photo by WhisperToMe via Wikimedia Commons (Public domain)
Photo by Mark Britain from Houston, USA via Wikimedia Commons (CC BY-SA 2.0)
Photo by Nick DiFonzo from Houston, Texas via Wikimedia Commons (CC BY 2.0)
Photo by Larry D. Moore via Wikimedia Commons (CC BY 4.0)
Photo by Unknown authorUnknown author via Wikimedia Commons (Public domain)
Photo by Latourette, A. V. -- Photographer via Wikimedia Commons (Public domain)
Photo by Latourette, A. V. -- Photographer via Wikimedia Commons (Public domain)
State prison operated by Texas Department of Criminal Justice. TDCJ Region I. Capacity ~1,090. Custody levels housed: G1-G3, Security Detention, Transient.
Background
Texas State Penitentiary at Huntsville or Huntsville Unit (HV), nicknamed "Walls Unit", is a Texas state prison located in Huntsville, Texas, United States. The approximately 54.36-acre (22.00 ha) facility, near downtown Huntsville, is operated by the Correctional Institutions Division of the Texas Department of Criminal Justice. The facility, the oldest Texas state prison, opened in 1849. The unit houses the execution chamber of the State of Texas. It is the most active execution chamber in the United States, with 600 (as of May 18, 2026) executions since 1982, when the death penalty was reinstated in Texas (see Lists of people executed in Texas).
Source: Wikipedia article lead, CC-BY-SA.
Capacity
1,090
Current population
—
Occupancy
—
Year opened
1849
Operational
Facility profile
Operator
Texas Department of Criminal Justice
Population held
male
Opened
1849
Region
TX
Security level
Maximum
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
Compared to other facilities in United States
3276 peersData completeness
68%How many of our profile fields are populated. We surface this so families and researchers know the limits.
Sources
- TDCJ unit page — Huntsville
- TDCJ unit directory
- Wikidata — Wikimedia Foundation
- Wikipedia — Wikimedia Foundation
- OpenStreetMap — OpenStreetMap Contributors
- Texas Department of Criminal Justice — unit directory — State of Texas
- See /data-sources for our overall methodology.