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United States · Oklahoma · Fort Supply

William S Key Correctional Center

State prisonMinimumUnder capacity (99%)LowHigh
Verified
Aging · 5mo ago
Sources last reviewed on

Data is aggregated from public sources and may be incomplete or out of date.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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How to send mail, money, and visit William S Key Correctional Center

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Open toolkit

William S Key Correctional Center is a state prison located in Woodward County, Oklahoma. Rated capacity: 1,072. Reported population: 1,065. Security level: Minimum. Data sourced from the HIFLD Prison Boundaries open dataset.

Capacity

1,072

Current population

1,065

Occupancy

99%

Year opened

1988

Operational

Figures from official sources · verified 2 Jun 2026 · methodology

Facility profile

Population held

Mixed/unknown

Opened

1988

Region

Oklahoma

Security level

Minimum

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

One William S Key Blvd, Fort Supply 73841
(580) 766-2224
Official site

Conditions Risk Score

Derived signal — not a judgement. How it's calculated

0/100
Low concern0/100
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

All in United States →

Same country, matched on type + security level where possible.

Compared to other facilities in United States

7436 peers
Occupancythis: 99% · peers avg: 93% (+7%)
Capacity (beds)this: 1072 · peers avg: 547 (+96%)

Data completeness

74%

How many of our profile fields are populated. We surface this so families and researchers know the limits.

Sources

Cite this page

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APA
World Prisons. (2026). William S Key Correctional Center. Retrieved October 21, 2026, from https://worldprisons.com/prisons/william-s-key-correctional-center
Chicago
"William S Key Correctional Center." World Prisons. Accessed October 21, 2026. https://worldprisons.com/prisons/william-s-key-correctional-center.
BibTeX
@misc{worldprisons-william-s-key-correctional-,
  author = {{World Prisons}},
  title = {William S Key Correctional Center},
  year = {2026},
  url = {https://worldprisons.com/prisons/william-s-key-correctional-center},
  urldate = {2026-10-21}
}