World Prisons
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United States

Pomona assembly center

Low
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Data is aggregated from public sources and may be incomplete or out of date.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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Photograph of Pomona assembly center

Gallery

From Wikimedia Commons (CC-BY-SA where not otherwise stated).

  • "Table 1. Wartime Properties Identified in Public Law 102-248" (PART 1), from- Japanese Americans in World War II, a National Historic Landmark theme study (page 15 crop).jpg

    Photo by United States National Park Service via Wikimedia Commons (Public domain)

  • "Wartime Civil Control Administration Assembly Centers map, from- Japanese Americans in World War II, a National Historic Landmark theme study (page 118 crop) (cropped).jpg

    Photo by United States National Park Service via Wikimedia Commons (Public domain)

  • "Wartime Civil Control Administration Assembly Centers map, from- Japanese Americans in World War II, a National Historic Landmark theme study (page 118 crop).jpg

    Photo by United States National Park Service via Wikimedia Commons (Public domain)

  • Pomona, California. Constructing temporary quarters for evacuees of Japanese ancestry on Los Angele . . . - NARA - 536839.jpg

    Photo by Clem Albers via Wikimedia Commons (Public domain)

  • Pomona, California. General view of assembly center being constructed on Pomona Fair Grounds for ev . . . - NARA - 536837.jpg

    Photo by Clem Albers via Wikimedia Commons (Public domain)

  • Pomona, California. General view of assembly center being constructed on Pomona Fair Grounds, for e . . . - NARA - 536838.jpg

    Photo by Clem Albers via Wikimedia Commons (Public domain)

  • Pomona, California. Workmen erecting barracks for evacuees of Japanese ancestry at assembly center . . . - NARA - 536835.jpg

    Photo by Clem Albers via Wikimedia Commons (Public domain)

Capacity

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Current population

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Occupancy

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Year opened

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Operational

Figures from official sources · verified 29 May 2026 · methodology

Facility profile

Operator

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Population held

Mixed/unknown

Opened

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Region

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Security level

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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

No public contact details available.

Conditions Risk Score

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

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Insufficient data
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Data completeness

16%

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). Pomona assembly center. Retrieved October 20, 2026, from https://worldprisons.com/prisons/pomona-assembly-center
Chicago
"Pomona assembly center." World Prisons. Accessed October 20, 2026. https://worldprisons.com/prisons/pomona-assembly-center.
BibTeX
@misc{worldprisons-pomona-assembly-center,
  author = {{World Prisons}},
  title = {Pomona assembly center},
  year = {2026},
  url = {https://worldprisons.com/prisons/pomona-assembly-center},
  urldate = {2026-10-20}
}