The Montana Department of Corrections has an Inmate Search page to help you find the one you are looking for.
Type in a name and hit 'search'. You will be brought to a page where you will see their date of birth and status. If you click their name, the next page will show you:
Are you looking for Montana prisons?
There are four adult facilities in the Montana DOC.
There are two youth facilities:
There is also the Great Hills Youth Transition Center which has 7 beds for those males that need a step down unit or for those who have failed a community placement.
Be sure to check out the Visitor Policy page and the Inmate Phones page.
Montana County Jails
Are you looking for Montana inmates?