Data: Illegal Aliens in ICE Detention Hit Record Low in Joe Bidens First Month The total number of illegal aliens in Immigration and Customs Enforcement (ICE) detention facilities has hit a record low in President Joe Bidens first month in office, newly released data reveals. Data collected by the Transactional Records Access Clearinghouse at Syracuse University (TRAC) finds that ICE held just 13,529 illegal aliens in detention by the end of February marking the lowest level of those in ICE detention. Nearly all illegal aliens in ICE detention last month were in adult facilities, 13,190, while less than 340 were being held in facilities meant for family units. More than 4,700 of the illegal aliens in ICE detention are facing expedited removal from the United States while about 6,600 have a notice to appear before an immigration judge.