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Jefferson County Montana Jail Mugshots, Arrest Records & Inmate Search

Looking for Jefferson County Jail Mugshots? Below you'll find a directory of resources for Jefferson County, Montana — including inmate search tools, jail rosters, booking photos, and court records from official and public sources.

Jefferson County Montana Jail Information

Jefferson County Jail

The Jefferson County Jail is the primary jail facility serving Jefferson County, Montana. This main jail has a capacity of approximately 12 inmates.

Contact Information

The facility is located at 110 S Washington St, Boulder, MT 59632. For general inquiries or to verify inmate information, you can contact the jail directly at (406) 225-4075. Additional information and online services may be available through their official website.

Visiting Hours & Visitation Policy

Visiting hours are available during weekends from Saturdays 1:00 PM - 4:00 PM. Important: Visitors must call in advance to schedule; valid ID required.

Disclaimer: The information provided above is for reference purposes only and may be subject to change. We recommend contacting the facility directly to confirm current visiting hours, policies, and procedures before planning a visit. For the most accurate and up-to-date information about Jefferson County jail operations, please refer to the official county or sheriff's department website.

Jefferson County Montana Arrest & Crime Statistics

In 2023, law enforcement agencies serving Jefferson County, Montana reported approximately 86 arrests across 1 reporting agencies. The county arrest rate was 659.1 per 100,000 residents, compared with a Montana state average of 2677.9 per 100,000 and a national average of 2121.8 per 100,000. Over the past 10 years with available data, total annual arrests have decreased by about 27.1%.

Latest Annual Arrests
86
Arrest Rate (per 100k)
659.1
State Average Rate
2,677.9
National Average Rate
2,121.8
Line chart showing annual arrest totals in Jefferson County, Montana from 2014 to 2023
Jefferson County Annual Arrest Trend (2014–2023)
Bar chart comparing arrest rate in Jefferson County, Montana with state and national averages
Jefferson County Arrest Rate vs State & National Average (2023)

Arrests by Year

YearTotal Arrests
2014 118
2015 208
2016 207
2017 125
2018 131
2019 101
2020 92
2021 61
2022 121
2023 86

Arrest Rate Comparison

AreaArrests per 100,000 Residents
Jefferson County 659.1
Montana Average 2,677.9
National Average 2,121.8

Jefferson County Montana Inmate & Jail Information Guides

Practical step-by-step information for families, attorneys, and the public looking for Jefferson County jail records, inmate status, bail, visitation, and related public records.

How to Search for Inmates in Jefferson County Jail

To find out whether someone is currently held in Jefferson County, start with the inmate search and jail roster resources listed on this page. Most Montana county jails allow you to search by full name, booking number, or date of birth. Official sheriff or detention center websites typically provide the most up-to-date custody status, booking date, and basic charge information.

If online search is unavailable, contact Jefferson County Jail directly at (406) 225-4075 and provide the inmate's full legal name and date of birth. Have a booking number ready if you already have it from an arrest report or prior lookup.

How Bail Works in Jefferson County, Montana

After an arrest in Jefferson County, a defendant may be held until a bail amount is set by the court or according to a local bail schedule. Bail allows a person to be released from custody while their case is pending, usually by posting cash bail, using a bail bond company, or being released on personal recognizance (PR bond) when eligible.

Bail amounts depend on the severity of charges, criminal history, flight risk, and local court rules. To post bail, contact the Jefferson County jail or the court clerk handling the case. A bail bondsman may charge a non-refundable fee (often around 10% of the total bail amount) if you cannot pay the full amount in cash.

If bail is denied or set too high, a defense attorney can request a bail reduction hearing. This information is general in nature and is not legal advice.

How to Send Money to an Inmate in Jefferson County Jail

Most county jails in Montana allow friends and family to deposit funds into an inmate commissary account for purchases such as snacks, hygiene items, phone time, and writing supplies. Common deposit methods include online payment portals (such as Access Corrections, JPay, or TouchPay), kiosks at the jail lobby, or money orders sent by mail.

You will usually need the inmate's full name, booking number, and the correct facility name: Jefferson County Jail. Fees and deposit limits vary by facility. Contact the jail before sending funds to confirm accepted payment methods and any ID requirements for in-person deposits.

Phone Calls, Video Visits & In-Person Visitation in Jefferson County

Phone calls from county jail are typically collect calls or prepaid through a third-party provider. Many facilities now use video visitation systems that require advance registration and scheduling through an approved vendor website or mobile app.

Visitation note for Jefferson County Jail: Visitors must call in advance to schedule; valid ID required.

In-person visitation rules often require government-issued photo ID, advance registration, dress code compliance, and approval of visitor background checks. Hours and policies change frequently, so verify current visiting hours with Jefferson County Jail before traveling to the facility.

How to Mail Letters & Packages to Jefferson County Inmates

Inmates in Jefferson County can usually receive postal mail, but jails enforce strict rules on envelopes, content, photos, and prohibited items. Use the inmate's full name, booking number, and the facility's complete mailing address on every piece of correspondence. Most facilities do not accept packages sent directly from individuals unless they are sent through an approved vendor.

Avoid stickers, perfume, colored ink, or materials that could be considered contraband. Mail may be opened and inspected by jail staff except for legal mail from an attorney in some jurisdictions.

How to Find Jefferson County Arrest Records & Court Records

Arrest records and booking information for Jefferson County may be available through the sheriff's office, jail roster, local police departments, or state public records portals. Court records — including charges, case numbers, hearing dates, and dispositions — are typically maintained by the county clerk of court or state court case search system.

Mugshots and booking photos may appear on official jail sites or public record databases linked from this page. Availability varies by county and by case status. Sealed, juvenile, or expunged records may not be publicly accessible.

Disclaimer: These guides provide general information only and may not reflect the latest policies at Jefferson County Jail. Always confirm procedures, fees, and hours directly with the jail or court before taking action. This is not legal advice.

Jefferson County Inmate Search & Jail Roster

Search Jefferson County jail inmates, view the jail roster, check custody status, and find inmate booking information through official and public resources.

Detention Center - Jefferson County Montana
Detention Center - Jefferson County Montana
https://jeffersoncounty-mt.gov/detention_center Gov
The Jefferson County Detention Center is an adult 24 bed facility located in Boulder Montana.The Jefferson County Detention Center is responsible for the care and custody of individuals accused of a crime, convicted individuals awaiting sentencing, sentenced inmates awaiting transport and prisoners sentenced to the County Detention Center.
JEFFERSON COUNTY DETENTION CENTER - Jefferson County Sheriff's Office
JEFFERSON COUNTY DETENTION CENTER - Jefferson County Sheriff's Office
https://www.jeffersoncountysheriffmt.gov/detention-center Gov
The Jefferson County Detention Center is an adult 24 bed facility located in Boulder Montana. The Jefferson County Detention Center is responsible for the care and custody of individuals charged with a crime, convicted individuals awaiting sentencing, sentenced inmates awaiting transport and prisoners sentenced to the County Detention Center.
Jefferson County Detention Center MT: Inmate Search & Roster
Jefferson County Detention Center MT: Inmate Search & Roster
https://www.montanainmaterosters.org/jefferson-county/jefferson-county-detention-center
Discovering Arrest Records in Jefferson County Discovering if someone has been arrested in Jefferson County and has been put in jail can be approached through various methods, each offering a unique avenue to obtain the needed information.
Jefferson County Detention Center - Montana Jail Roster
Jefferson County Detention Center - Montana Jail Roster
https://montanajailroster.com/jail-rosters/jefferson-county-detention
The Jefferson County Detention Center is an adult 24 bed facility located in Boulder Montana. The detention center staff is responsible for the care and custody of individuals accused of a crime, convicted individuals awaiting sentencing, sentenced inmates awaiting transport.

Jefferson County Mugshots & Booking Photos

Find Jefferson County mugshots, booking photos, and arrest photos from public databases and third-party mugshot websites.

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Jail Records - Jefferson County, MT (Jail Rosters & Records)
https://www.countyoffice.org/mt-jefferson-county-jail-records
Jail Records in Jefferson County (Montana) Access Jefferson County, Montana jail records. Find inmate rosters, visitation records, arrest records, and mugshots. Use our directory to search for records, request documents, and learn policies for sending money or scheduling visits. Get accurate and up-to-date information through official links and search portals.
Jefferson County Detention Center - Jail Exchange
Jefferson County Detention Center - Jail Exchange
https://www.jailexchange.com/city-and-county-jails/montana/jefferson-county
Jefferson County Detention Center Located in the city of Boulder, Jefferson County, Montana, the Jefferson County Detention Center is a 24-bed facility. You can call them anytime for inmate information at 406-225-4091. This facility handles offenders arrested for misdemeanors and felonies, who are brought here for booking and processing.
Jefferson County Jail – Boulder, MT - Prison Handbook
Jefferson County Jail – Boulder, MT - Prison Handbook
https://prisonhandbook.com/2896/jefferson-county-jail-boulder-mt
Jefferson County Jail is in Jefferson County, Montana and is the primary jail for the county. Know somebody at Jefferson County Jail? This page will tell you info about everything one might want to know about Jefferson County Jail,like the following: Find an inmate at Jefferson County Jail. Find inmate mugshots. The jail's address and phone number. Bail and how to get out of jail. Intake ...

Jefferson County Court Records & Public Information

Access Jefferson County court records, public records, and other informational resources for this county.

Jefferson County Sheriff's Office
Jefferson County Sheriff's Office
https://www.jeffersoncountysheriffmt.gov Gov
The Jefferson County’s Office of Emergency Management coordinates mitigation, preparedness, response, and recovery activities for all-hazard incidents within the jurisdiction to provide for life safety and to protect critical facilities and infrastructure.
Jefferson County MT Detention Center - InmateAid
Jefferson County MT Detention Center - InmateAid
https://www.inmateaid.com/prisons/jefferson-county-mt-detention-center
The Jefferson Co Jail is a detention center located at 110 S Washington Boulder, MT which is operated locally by the Jefferson County Sheriff's Office and holds inmates awaiting trial or sentencing or both.

Jefferson County Montana Jail Mugshots - Frequently Asked Questions

How do I find Jefferson County mugshots?

Browse the mugshots and booking photos section above for links to websites that publish Jefferson County jail mugshots and booking information. You can also use the inmate search tools linked on this page.

How do I search for inmates in Jefferson County jail?

Use the inmate search and jail roster resources listed above. These link to official Jefferson County sheriff or detention center inmate lookup tools where you can search by name or booking number.

How do I find Jefferson County arrest records?

Arrest records for Jefferson County, Montana can be found through the official law enforcement and court record links provided on this page. Many counties offer online access to recent arrest reports and booking information.

Is JailMugshots.org an official government website?

No. This is an informational directory that links to official government websites, third-party sources, and public information resources for Jefferson County, Montana.