United States · CA · Ione
Mule Creek State Prison
Data is aggregated from public sources and may be incomplete or out of date.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 Mule Creek State Prison
Step-by-step guidance using the United States system — addresses, money services, visit booking, what to bring on your first visit.
California adult institution operated by the California Department of Corrections and Rehabilitation. CDCR code: MCSP.
Background
Mule Creek State Prison (MCSP) is a California State Prison for men. It was opened in June 1987, and covers 866 acres (350 ha) located in Ione, California. The prison has a staff of 1,242 and an annual operating budget of $157 million. As of July 31, 2022, MCSP was incarcerating people at 115.2% of its design capacity, with 3,785 occupants.
Source: Wikipedia article lead, CC-BY-SA.
Capacity
1,700
Current population
—
Occupancy
—
Year opened
1987
Operational
Figures from official sources · verified 29 May 2026 · methodology
Facility profile
Population held
Mixed/unknown
Opened
1987
Region
CA
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
No major issues documented in our database.
Notable inmates
Robert John Bardo1970Robert John Bardo (born January 2, 1970) is an American criminal serving life imprisonment without parole after being convicted for the July 18, 1989, murder of American actress and model Rebecca Schaeffer, whom he had stalked for three years. .
Roger Kibbe1939–2021 · serial killerRoger Reece Kibbe (May 21, 1939 â February 28, 2021) was an American serial killer and rapist known as the "I-5 Strangler".
Patrick Kearney1939 · serial killerPatrick Wayne Kearney (born September 24, 1939), also called the Trash Bag Killer and the Freeway Killer, is an American serial killer who sexually assaulted and murdered a minimum of twenty-eight young men and boys in southern California between 1962 and 1977.
Charles "Tex" Watson1945 · serial killerCharles Denton "Tex" Watson (born December 2, 1945) is an American convicted mass murderer and former central member of the "Manson Family" led by Charles Manson.
Hans Reiser1963 · programmerHans Thomas Reiser (born December 19, 1963) is an American computer programmer, entrepreneur, and convicted murderer.
Source: Wikidata + Wikipedia.
Contact & address
Conditions Risk Score
Derived signal — not a judgement. How it's calculated
Related facilities
Same country, matched on type + security level where possible.
- Oakhill Correctional InstitutionOregonMinimumState prison210% occupancy
- Stonewall Jackson Youth Development CenterConcordJuvenileState prison236% occupancy
- Woodman State JailGatesvilleMaximumState prison720% occupancy
- Okaloosa Regional Juvenile Detention CenterCrestviewJuvenileState prison221% occupancy
- Residential Correctional Facility, DavenportDavenportState prison208% occupancy
- Diagnostic And Evaluation CenterLincolnMaximumState prison178% occupancy
Compared to other facilities in United States
7436 peersData completeness
60%How many of our profile fields are populated. We surface this so families and researchers know the limits.
Sources
- CDCR facility â Mule Creek State Prison
- CDCR Facility Locator
- Wikipedia — Wikimedia Foundation
- OpenStreetMap — OpenStreetMap Contributors
- California Department of Corrections and Rehabilitation â Facility Locator — State of California
- Wikidata — Wikimedia Foundation
- Wikidata (Q6933880)
- Wikipedia
- 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). Mule Creek State Prison. Retrieved October 28, 2026, from https://worldprisons.com/prisons/mule-creek-state-prison
"Mule Creek State Prison." World Prisons. Accessed October 28, 2026. https://worldprisons.com/prisons/mule-creek-state-prison.
@misc{worldprisons-mule-creek-state-prison,
author = {{World Prisons}},
title = {Mule Creek State Prison},
year = {2026},
url = {https://worldprisons.com/prisons/mule-creek-state-prison},
urldate = {2026-10-28}
}