The Four Main County Jails
The San Bernardino County Sheriff runs four main adult detention facilities: West Valley Detention Center in Rancho Cucamonga, Central Detention Center in San Bernardino, Glen Helen Rehabilitation Center in Devore, and High Desert Detention Center in Adelanto. Together the system has roughly 7,400 jail beds, an average daily population around 5,000, and about 85,000 bookings a year.
Where someone ends up usually depends on where they were arrested. West-end cities such as Ontario, Upland, Chino, Montclair and Fontana generally feed West Valley; the San Bernardino valley often feeds Central Detention; High Desert cities feed Adelanto. People can also be moved between facilities while a case is pending, which is why the inmate locator is the best place to confirm a current location.