{"@context":"https://schema.org","@type":["Place","GovernmentBuilding"],"alternate_language":[{"language":"es","url":"https://migrantusa.com/es/detencion-ice/cascade-county-jail/"}],"as_of":"2026-10-23","attribution":"MigrantUSA Editorial. Cascade County Adult Detention Center. https://migrantusa.com/ice-detention/cascade-county-jail/","city":"Great Falls","dateModified":"2026-10-23","description":"Cascade County Adult Detention Center: the county roster excludes federal inmates; personal mail is scanned to tablets and originals are discarded.","disclaimer":"General information, not legal advice. MigrantUSA is an independent publisher and is not a law firm. Always verify current details directly with the relevant agency before acting.","ero_field_office":"Salt Lake City Field Office","faqs":[{"answer":"No. The Sheriff’s roster page explicitly says the roster does NOT include Federal inmates per Federal law.","question":"Does the Cascade County roster include federal inmates?"},{"answer":"The Sheriff’s Office says personal mail is opened, inspected and scanned to the inmate’s tablet through the Digital Mailing Center. Original mailings are discarded after scanning. Each envelope must contain 10 pages or less.","question":"What happens to personal mail at Cascade County?"},{"answer":"The Sheriff’s Office names Securus Technologies and publishes 800-844-6591, 24-hours a day, for billing and access questions.","question":"Who provides inmate telephone service?"}],"generated":"2026-10-23","isBasedOn":"https://www.cascadecountymt.gov/283/Sheriffs-Office","language":"en","license":"https://migrantusa.com/terms/","name":"Cascade County Adult Detention Center","publisher":{"@type":"Organization","name":"MigrantUSA","url":"https://migrantusa.com/"},"source_urls":["https://www.cascadecountymt.gov/283/Sheriffs-Office","https://www.cascadecountymt.gov/314/Inmate-Roster","https://www.cascadecountymt.gov/DocumentCenter/View/2126/ADC-Visitation-rules","https://www.ice.gov/doclib/foia/odo-compliance-inspections/cascadeCoJail_GreatFallsMT_Oct24-26_2023.pdf","https://www.cascadecountymt.gov/DocumentCenter/View/8298/2026-Casscade-County-Detention-Center-PREA-Audit-Report","https://www.ice.gov/doclib/detention/FY26_detentionStats07202026.xlsx","https://locator.ice.gov/odls/","https://www.ice.gov/foia/odo-facility-inspections","https://www.ice.gov/identify-and-arrest/287g"],"state":"MT","statistics":{"average_daily_population":4,"average_length_of_stay_days":4.7,"fiscal_year":2026,"note":"ADP = average daily population; ALOS = average length of stay. Both are FY2026 averages, not a same-day count.","released":"2026-07-20","source":"U.S. Immigration and Customs Enforcement (ICE), Detention Management","source_url":"https://www.ice.gov/doclib/detention/FY26_detentionStats07202026.xlsx"},"type":"ice-detention-facility","url":"https://migrantusa.com/ice-detention/cascade-county-jail/"}