How to Search for an Inmate in Gallatin County, MT

How to Search for an Inmate in Gallatin County Jail

The official inmate search tool for Gallatin County is the Gallatin County Sheriff Inmate Search. This is a free government-operated service. Never pay a third-party website for inmate information available for free from the official county source.

1
Open the official inmate search portal
Go to https://www.gallatincountymt.gov/sheriff/corrections/inmate-search in your web browser. This is the official Gallatin County Sheriff Inmate Search operated by Gallatin County. It is completely free. Do not pay any third-party website — the official search costs nothing.
2
Complete any security verification
Some official portals require a CAPTCHA or verification checkbox before searching. Complete this if prompted — it is a standard government security measure.
3
Enter the person's information
The Gallatin County Sheriff Inmate Search allows you to search by: full name, booking number. Enter the person's full legal last name. Adding the first name significantly narrows results. Always use the full legal name, not a nickname.
4
Click Search and review results
Click the Search or Submit button. A list of matching inmates currently in Gallatin County custody will appear. Confirm the correct person by name and date of birth.
5
Click the person's name for full booking details
Click the person's name to open their full booking record: current facility, booking number, arrest date, charges, and bail amount if set.
6
Record the booking number
Write down the booking number immediately. You need it to schedule visits, set up phone call accounts, send mail, deposit commissary funds, and reference the person when contacting the jail.
7
Note the data update schedule
The Gallatin County Sheriff Inmate Search updates every 4 hours. If you searched right after an arrest, the record may not yet appear — new bookings typically take 2–8 hours to process into the system.
8
If no results are found
The person may not be processed yet, may have been released, or may be in a city or municipal jail rather than the county facility. Call Gallatin County at (406) 582-2100 for direct staff assistance.

Gallatin County Sheriff Inmate Search

📞 Phone: (406) 582-2100 · 24/7

🕐 Every 4 hours

Search Now →

💡 Search Tips

Search by last name only first — first names may be recorded differently.
New bookings take 2–4 hours to appear in the system.
If no result: check alternate spellings or call the jail directly.

Gallatin County Jail — Location Map

Frequently Asked Questions — Gallatin Inmate Search

How do I find someone arrested in Gallatin County?

Use the official Gallatin County Sheriff Inmate Search at https://www.gallatincountymt.gov/sheriff/corrections/inmate-search. It is free. Enter the person's full legal name and review results. New bookings appear every 4 hours after processing. Call (406) 582-2100 if you cannot find them online.

Is the Gallatin County inmate search free?

Yes. The official Gallatin County Sheriff Inmate Search at https://www.gallatincountymt.gov/sheriff/corrections/inmate-search is completely free. Never pay any third-party site for inmate information available for free from the official county source.

What do I need to search for an inmate in Gallatin County?

You need the person's full legal last name (required). First name, booking number, or date of birth will narrow results further. Always use the full legal name, not a nickname.

Why can't I find someone in the Gallatin County inmate search?

Possible reasons: (1) Recently arrested — booking takes 2–8 hours to appear. (2) Already released. (3) Held in a city jail, not a county facility. (4) Name differs from legal record. Call (406) 582-2100 for direct assistance.

What is the booking number in the Gallatin County search results?

The booking number is a unique ID assigned at intake. Keep it — you need it for visits, phone accounts, mail, commissary deposits, and all jail communications.

⚖️ Important Legal Disclaimer

All information is for informational purposes only. An arrest does not equal a conviction. All persons are presumed innocent until proven guilty in a court of law. Inmate Search is NOT affiliated with Gallatin County, the Sheriff's Office, or any government agency. Not a consumer reporting agency under the FCRA. Do not use for employment, housing, credit, or insurance decisions. Data may be outdated — always verify with official sources. Full Disclaimer