United States · Oklahoma · Mcalester
Oklahoma State Penitentiary
Data is aggregated from public sources and may be incomplete or out of date.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.
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Gallery
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Oklahoma State Penitentiary is a state prison located in Pittsburg County, Oklahoma. Rated capacity: 674. Reported population: 644. Security level: Maximum. Data sourced from the HIFLD Prison Boundaries open dataset.
Capacity
674
Current population
644
Occupancy
96%
Year opened
2000
Operational
Figures from official sources · verified 2 Jun 2026 · methodology
Facility profile
Population held
Mixed/unknown
Opened
2000
Region
Oklahoma
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
- Overcrowding
- 0/30
- Oversight reports
- 0/30
- Structural flags
- 0/15
- Death signals
- 5/15
- Conditions text
- 0/10
What the score is responding to:
- · In-custody-death signal in sources
This facility scores 5. The national average across 7,437 scored United States facilities is 2 — 3 points above national average.
Related facilities
Same country, matched on type + security level where possible.
- Woodman State JailGatesvilleMaximumState prison720% occupancy
- Centinela State Prison (Cen)ImperialMaximumState prison150% occupancy
- Kern Valley State Prison (Kvsp)DelanoMaximumState prison152% occupancy
- Diagnostic And Evaluation CenterLincolnMaximumState prison178% occupancy
- High Desert State Prison (Hdsp)SusanvilleMaximumState prison152% occupancy
- Calipatria State Prison (Cal)CalipatriaMaximumState prison161% occupancy
Compared to other facilities in United States
7436 peersReports
- marshall-project15 Apr 2021
borated eyewitness,” he said, citing the Book of Deuteronomy in the Old Testament. “If we’re going to put someone to death we need to be absolutely certain.” Richard Glossip at Oklahoma State Penitentiary in McAlester, Okla. in November 2016. Glossip has been on death row for over two decades. His case has motivated Oklahoma state Rep. Kevin McDugle to pursue legislation that he hopes will fix
Data 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
- HIFLD Prison Boundaries — US Department of Homeland Security â HIFLD Open Data
- OpenStreetMap — OpenStreetMap Contributors
- Wikidata — Wikimedia Foundation
- Wikidata (Q7082369)
- 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). Oklahoma State Penitentiary. Retrieved October 20, 2026, from https://worldprisons.com/prisons/oklahoma-state-penitentiary
"Oklahoma State Penitentiary." World Prisons. Accessed October 20, 2026. https://worldprisons.com/prisons/oklahoma-state-penitentiary.
@misc{worldprisons-oklahoma-state-penitentiary,
author = {{World Prisons}},
title = {Oklahoma State Penitentiary},
year = {2026},
url = {https://worldprisons.com/prisons/oklahoma-state-penitentiary},
urldate = {2026-10-20}
}