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United States · California · Chowchilla

Valley State Prison (Vsp)

State prisonMediumOvercrowded (180%)ModerateHigh
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Data is aggregated from public sources and may be incomplete or out of date.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.

For families

How to send mail, money, and visit Valley State Prison (Vsp)

Step-by-step guidance using the United States system — addresses, money services, visit booking, what to bring on your first visit.

Open toolkit

Valley State Prison (Vsp) is a state prison located in Madera County, California. Rated capacity: 1,980. Reported population: 3,570. Security level: Medium. Data sourced from the HIFLD Prison Boundaries open dataset.

Capacity

1,980

Current population

3,570

Occupancy

180%

Year opened

—

Operational

Figures from official sources · verified 2 Jun 2026 · methodology

Facility profile

Population held

Mixed/unknown

Opened

—

Region

California

Security level

Medium

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

21633 Avenue 24, Chowchilla 93610

Conditions Risk Score

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

22/100
Moderate concern22/100
Overcrowding
22/30
Oversight reports
0/30
Structural flags
0/15
Death signals
0/15
Conditions text
0/10

What the score is responding to:

  • · Severely overcrowded at 180% of capacity

This facility scores 22. The national average across 7,437 scored United States facilities is 2 — 20 points above 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
Conditions risk scorethis: 22/100 · peers avg: 2/100 (+853%)

Higher risk than 96% of peer facilities in United States.

Occupancythis: 180% · peers avg: 93% (+94%)
Capacity (beds)this: 1980 · peers avg: 547 (+262%)

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

Under CC-BY-4.0. Include the URL and access date; the site is a living reference and entries can change.

APA
World Prisons. (2026). Valley State Prison (Vsp). Retrieved October 20, 2026, from https://worldprisons.com/prisons/valley-state-prison-vsp
Chicago
"Valley State Prison (Vsp)." World Prisons. Accessed October 20, 2026. https://worldprisons.com/prisons/valley-state-prison-vsp.
BibTeX
@misc{worldprisons-valley-state-prison-vsp,
  author = {{World Prisons}},
  title = {Valley State Prison (Vsp)},
  year = {2026},
  url = {https://worldprisons.com/prisons/valley-state-prison-vsp},
  urldate = {2026-10-20}
}