Incarceration in California spans federal, state, county, and city governance, with approximately 200,000 people in confinement at any given time. An additional 55,000 people are on parole. The main government agencies and incarceration facilities involved in each jurisdiction are: Federal: federal prisons run by the Federal Bureau of Prisons (BOP), and immigrant detention centers run by Immigration and Customs Enforcement (ICE) State: state prisons, fire camps, and juvenile justice facilities, as well as a variety of community housing programs, all run by the California Department of Corrections and Rehabilitation (CDCR) County: county jails, usually run by county sheriffs and sometimes run by a county-level department of corrections City: city jails run by the city police department Most people incarcerated in county and city jails are in pre-trial detention and have therefore not been convicted of a crime. Federal incarceration Federal prisons The Federal Bureau of Prisons (BOP) operates a variety of facilities in California, including United States Penitentiaries (USPs), Federal Correctional Institutions (FCIs), and Private Correctional Institutions (PCIs). One BOP facility, Taft Correctional Institution, is operated by Management and Training Corporation (MCT), a private company. As of April 2020, 13,315 people were under custody in BOP facilities in California. An additional 422 people were under BOP custody in privately run facilities in California, and an unspecified number of people were under BOP custody in community-based facilities in California. Roughly 8% of the people in BOP custody are in California. ICE detention centers Immigration and Customs Enforcement (ICE) contracts with various private companies to detain people in California. The largest ICE detention facilities in California are: Adelanto Detention Center (owned and operated by GEO Group) Otay Mesa Detention Center (owned and operated by CoreCivic) Imperial Regional Detention Facility (owned and operated by Management and Training Corporation) Mesa Verde Ice Processing Center (owned and operated by GEO Group) Per a Congressional mandate that first appeared in the Department of Homeland Security Appropriations Act of 2010, ICE must maintain at least 34,000 detention beds in total across the country. ICE detention facilities in California contribute 3,515 mandatory beds to that mandate. As of August 22, 2020, ICE facilities in California had an average daily population of 3,118. State incarceration State prisons The California Department of Corrections and Rehabilitation (CDCR) operates 35 prisons in California, with a design capacity of 85,083 incarcerated people. CDCR both owns and operates 34 of the state prisons; it