Twelve ICE Facilities Hold Over 1,000 Immigrant Detainees Each
(05 Jan 2024) According to the latest data from Immigration and Customs Enforcement (ICE), twelve immigrant detention facilities in the United States currently have an average daily population of over 1,000 detainees each. These facilities are mainly located in the U.S. South and Southwest, including five facilities in Texas, two in Louisiana, and one each in Arizona, California, Georgia, and Mississippi, as well as one in Pennsylvania.

The top five facilities with the highest average daily population (ADP) include the South Texas Family Residential Center in Dilley, Texas, at 1,868 followed by the South Texas ICE Processing Center located in nearby Pearsall at 1,659. Private contractors run these two facilities, as well as Stewart Detention Center in Georgia, which has the fourth highest ADP currently of 1,514. The facility with the third highest ADP (1,594) is Adams County Detention Center in Mississippi while Winn Correctional Center in Louisiana has the fifth highest ADP (1,483). These two facilities are publicly owned but have a contract with ICE to provide beds for civil immigrant detention.

The remaining facilities with an ADP of at least 1,000 include Eloy Federal Contract Facility in Arizona (1,400), Otay Mesa Detention Center in California (1,211), Karnes County Immigration Processing Center in Texas (1,206), Moshannon Valley Processing Center in Pennsylvania (1,189), Montgomery ICE Processing Center in Texas (1,181), Port Isabel SPC in Texas (1,103), and Jackson Parish Correctional Center in Louisiana (1,055). An entire list of the ADP of ICE’s facilities updated through the end of December can be found on TRAC’s website here.

A note on the data. Although ICE’s published detention data provides national totals of its detained population on a given day, ICE’s data on individual detention facilities reports “average daily population” (ADP) for a fiscal year. ADP does not represent the total number of migrants currently detained in the facility, but rather an average of the daily population since the start of the fiscal year. As a result, changes in a facility’s ADP numbers tend to moderate any month-to-month changes particularly as statistics reflect averages across more months as the fiscal year goes by. This then can produce a marked change when figures at the end of a fiscal year are compared with those for the first month of a new fiscal year. For instance, the overall growth in ICE’s detained population toward the end of FY 2023 and early months of FY 2024 meant that the ADP for the South Texas Family Residential Facility leapt from 1,099 on September 30, 2023, to 2,046 on October 10. Since October is the first month of a new fiscal year, the ADP on October 10 more closely represents the real detained population whereas fluctuations late in the fiscal year in September are smoothed out by a full year’s worth of data. Readers should be cautious not to confuse ADP with currently detained totals.

The total number of detained immigrants currently stands at 37,131. TRAC recently reported on the growing total number of detainees as well as growing lengths of detention stays of detained migrants.

Highlights from data updated in TRAC's Detention Quick Facts tool show that:

  • Immigration and Customs Enforcement held 37,131 in ICE detention according to data current as of December 31, 2023.
  • 24,796 out of 37,131—or 66.8%—held in ICE detention have no criminal record, according to data current as of December 31, 2023. Many more have only minor offenses, including traffic violations.
  • ICE relied on detention facilities in Texas to house the most people during FY 2024, according to data current as of December 26, 2023.
  • ICE arrested 6,773 and CBP arrested 10,920 of the 17,693 people booked into detention by ICE during November 2023.
  • South Texas Family Residential Center in Dilley, Texas held the largest number of ICE detainees so far in FY 2024, averaging 1,868 per day (as of December 2023).
  • ICE Alternatives to Detention (ATD) programs are currently monitoring 194,797 families and single individuals, according to data current as of December 30, 2023.
  • San Francisco's area office has highest number in ICE's Alternatives to Detention (ATD) monitoring programs, according to data current as of December 30, 2023.

For more information, see TRAC's Quick Facts tools or click here to learn more about TRAC's entire suite of immigration tools.

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