ICE Detention Population Reaches Record 73,000 as Senate Prepares for $71.7B Reconciliation Floor Vote Beginning Monday — Highest Single-Day Population in U.S. History

As of mid-May 2026, ICE is holding approximately 73,000 individuals in immigration detention — the highest single-day population in the agency's history and an 84% increase from the same period in 2025. The record detention population comes as the Senate is scheduled to begin floor consideration on May 18 of the $71.7 billion immigration enforcement reconciliation package, which would fund an expansion to at least 100,000 beds by fall 2026. Senate Majority Leader John Thune confirmed the floor week would begin May 18, with committee markups scheduled for May 19. Senate Democrats have pledged a systematic Byrd Rule challenge to every provision of the bill. The package's Byrd Rule troubles deepened significantly on May 14–15 when Senate Parliamentarian Elizabeth MacDonough struck main Border Patrol funding, DHS appropriations, and border security/technology/screening provisions — requiring Republican negotiators to rewrite major sections before the floor vote can proceed. Republicans face Trump's June 1 signing deadline and the end of the DHS partial shutdown that began February 14. The 73,000 detainee population — held at a pace of approximately one death every six days — is being maintained across a rapidly expanded network of 152 new detention facilities opened since January 2025, including warehouse conversions and military installations, most run by private prison contractors CoreCivic and GEO Group. TRAC Reports data shows 70.8% of current detainees have no criminal conviction.