Cascade County Jail & Inmate Roster
Cascade County, Montana runs its own jail and its own booking list. Anyone arrested in the county and awaiting trial will appear there rather than in the state prison system.
Cascade County jail and sheriff
| County | Cascade County |
|---|---|
| Population | 84,523 (2024) |
Where a field is blank, the county does not publish that detail on an official source we can cite.
How to find someone in the county jail
- If the charge is federal, search the Bureau of Prisons system, which is separate from both.
- Call the jail directly if the name does not appear; online rosters lag behind actual bookings.
- Search the county's official roster for the person's full legal name.
- If the person has already been sentenced, search the Montana Department of Corrections offender locator instead.
- Have their date of birth ready — it is the detail that separates people with common names.
Cities in Cascade County
1 city in Cascade County is covered, each with its own inmate search and bail information.
The Montana state prison system
Sentenced prisoners in Montana are held by the Montana Department of Corrections, not by Cascade County. A person stops appearing on the county roster once transferred.
How the Cascade County jail system works
County jails handle pretrial detention, which means most people inside have not been convicted of anything. They are also the intake point for the state prison system, so a transfer is the usual next step after sentencing.
After a booking, the next fixed point is a first appearance before a judge, where release conditions are set. Until that happens, the jail holds the person on the arresting agency's authority.
What to ask when you call
A single call to the jail or the sheriff's office can answer most of what a family needs to know in the first days. Having the questions ready makes the call much shorter.
- The booking number and the facility housing unit.
- The next court date and the courtroom.
- The bail amount and the accepted payment method.
- Whether the person has already been assigned counsel.
- What identification you need to visit, and the visiting hours.
- Whether there are any restrictions on calls or visits in this case.
Bail in Montana
Bail for arrests in Cascade County is set under Montana law. The governing provisions are listed below.
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Mont. Code § 33-17-1602
Surety Bail Bond Insurance License -- Basic Course Of Training -- Temporary License
(1) Except as otherwise provided in this section, an applicant for a surety bail bond insurance license shall satisfactorily complete a basic course of training for bail enforcement agents that is approved by the commissioner.
Montana Code Annotated (official, Montana Legislature) (opens in a new tab) -
Mont. Code § 46-6-508
Arrest By Surety Bail Bond Insurance Producer
(1) A surety bail bond insurance producer who has probable cause to believe that a principal insured by the surety insurer to which the producer is appointed will fail to appear in court, in violation of 46-9-503 (2), or has violated a condition of their release, may use reasonable force to arrest…
Montana Code Annotated (official, Montana Legislature) (opens in a new tab)
Bail in Montana
-
Mont. Code § 33-17-1602
Surety Bail Bond Insurance License -- Basic Course Of Training -- Temporary License
(1) Except as otherwise provided in this section, an applicant for a surety bail bond insurance license shall satisfactorily complete a basic course of training for bail enforcement agents that is approved by the commissioner.
Montana Code Annotated (official, Montana Legislature) (opens in a new tab) -
Mont. Code § 46-6-508
Arrest By Surety Bail Bond Insurance Producer
(1) A surety bail bond insurance producer who has probable cause to believe that a principal insured by the surety insurer to which the producer is appointed will fail to appear in court, in violation of 46-9-503 (2), or has violated a condition of their release, may use reasonable force to arrest…
Montana Code Annotated (official, Montana Legislature) (opens in a new tab)
Source: U.S. Census Bureau · retrieved 2026-09-16
Frequently asked questions
Where are people arrested in Cascade County held?
At the county jail, operated by the county. Cities within the county generally do not run their own long-term jails, so bookings are transferred to the county facility.
How do I find someone in Cascade County jail?
Contact the Cascade County sheriff's office directly. Where no public online roster is published, a phone call is the only reliable route.
What is the county seat of Cascade County?
Cascade County publishes its county seat, as does the U.S. Census Bureau.
How do I post bail in Cascade County?
Bail is set by a judge under Montana law and is normally paid to the court or the county, not to the jail. Confirm the accepted payment method and the exact amount with the court before travelling.
Does Cascade County publish mugshots?
Some sheriffs publish booking photographs and some do not. Where a roster is published, the sheriff's own site governs what is shown and for how long. We do not republish individual records.
How long are people held in Cascade County jail?
That depends on the case. People awaiting trial are held until bail is posted or the case concludes; people serving a sentence are held for its duration, then transferred or released.
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