Youth Institutions in ID Youth Institutions operating within ID. Youth Institutions in ID Court Administration Boise, Ada County Department of Juvenile Corrections Boise, Ada County Department of Juvenile Corrections Saint Anthony, Fremont County District 1 & 2 Liaisons Lewiston, Nez Perce County District 3 Liaisons Nampa, Canyon County District 5 Liaisons Twin Falls, Twin Falls County District 6 Liaisons Pocatello, Bannock County Juvenile Correction Center Lewiston, Nez Perce County Nampa Juvenile Institution Nampa, Canyon County Saint Anthony Juvenile Inst Saint Anthony, Fremont County