Over 581+ facilities

Montana Inmate Search

Jefferson County Jail, MT Inmate Search, Mugshots, Prison Roster

Updated on: May 18, 2024

Jefferson County Jail offender search: Bond, Case Description, Offense Date, Warrant Comment, Case Description, Charge, Criminal Records, Sentenced On, Mugshots, Arrests, Who's in jail, Warrant, Bookings, Booking Date, Sex, Release Date, Jail Roster, Warrant #, Incarceration Date.

Use this website for informational purposes only.

About Jefferson County Jail

In Boulder, Montana is where you will find the Jefferson County Jail. The Jefferson County Sheriff’s Department manages and operates the Jefferson County Jail. 

The inmates that are held in the Jefferson County Jail are both male and female. All cities in the county and surrounding counties are being served by the Jefferson County Jail when needed.

This site is not owned or operated by any state government agency, read more.

Jefferson County Jail
Facility Name
Jefferson County Jail
Facility Type
County Jail
110 South Washington PO Box 588, Boulder, MT, 59632
[email protected]
Security Level
Postal Code
Jefferson County
Official Website

Visitation Hours

  • Sunday 7:30 Am to 2:30 PM
  • Monday 7:30 AM to 9:00 PM
  • Tuesday 7:30 AM to 9:00 PM
  • Wednesday 7:30 AM to 9:00 PM
  • Thursday 7:30 AM to 9:00 PM
  • Friday 7:30 AM to 9:00 PM
  • Saturday 7:30 Am to 2:30 PM
  • Holiday Closed

Jefferson County Sheriffs Office And Detention Center

Craig D. Doolittle
110 South Washington Street, Boulder, Montana, 59632

Inmate Search

Doing an inmate search for an inmate in the Jefferson County Jail is very simple. Now you can do an inmate search from your mobile phone or computer when you're on the go or from the comfort of your own home. So you don't have to waste your time just to be looking for the right phone number. You also won't have to waste your time being transferred from one person to the next or better yet having the call get disconnected.  

The Jefferson County Sheriff’s Department manages and operates the Jefferson County Regional Jail. Keeping and maintaining an up to date database of all inmates currently in their custody is a big responsibility. that is what the Jefferson County Sheriff's Department does.

The Jefferson County Jail has its jail roster open to the general public by the Jefferson County Sheriff's Department. You will be able to find their database on the Jefferson County Sheriff’s Department official website.

You can search the roster by the information below:

  • Inmate's First Name
  • Inmate's Last Name
  • Inmate's Middle Name
  • Inmate's Booking Date

You will be able to see the information when you click on the inmate’s name:

  • Scheduled Release Date
  • Alias
  • Last Name
  • First Name
  • Middle Name
  • Mugshots
  • Address
  •  Arresting Date
  • Weight
  • Height
  • Eye Color
  • Hair Color
  • Current Age
  • ZIP
  • Sex
  • Booking Date
  • Address
  • Race
  • Inmate Classification

Sending a Mail

The Jefferson County Jail inmates are allowed to get written letters from their family and friends. Drawings, signs, or symbols are not permitted to be on these letters. If this policy is not kept the letter will get thrown away. Before sending your letters make sure you write a return address on the envelope.  

Laminated mail and mail without a return address is not accepted.

The jail employees examine all mail that comes into the jail. Any legal mail is inspected in front of the employees.   

Montana Inmate Search

Sending Money

The Jefferson County Jail inmates will need funds to make purchases items at the commissary.

You can bring cash to the lobby of the Jefferson County Jail during their normal business hours if you would like to fund an inmates account. A Cashier's check or money order can be sent to the jail as well. 

The Touch Pay kiosk in the main lobby can be used to fund an inmate's account as well. Cash, credit and debit card payments are accepted at the kiosk. 

You will not be able to use a personal check to fund an inmate's account. 

Phone Calls

The Jefferson County Jail inmates in the general population are allowed to get collect calls. You will only be able to receive a collect call if you have a landline. You will not be able to receive any collect calls from a cell phone. The individual receiving these collect calls is the one responsible for any and all fees that are associated with the collect calls. The Jefferson County Jail is not accountable for any of the charges from the collect calls.

Calling features such as three-way calling and call forwarding are not permitted for the inmates to use. If an inmate is caught using any of these features the call will be disconnected right away. Disciplinary action will be taken up against the inmate as well. 

Visiting Rules

The Jefferson County Jail inmates are allowed to have visitors. Make sure to make an appointment if you are visiting on Wednesdays and Saturdays. Make sure to call 406-225-4075 between Monday through Friday from 8am to 3:45pm if you would like to make an appointment to visit an inmate.

The visitation hours are listed below:

Inmates that are in good standing are allowed visitations. Visitations are not allowed for inmates in disciplinary action. To see if an inmate is allowed to have visitations you will need to call the Jefferson County Jail.    

Jefferson County Prison Statistics

Jefferson County Jail Held Inmates

Jail Population Held for Out-of-State Jail -
Jail Population Held for State Jail 1
Jail Population Held for Federal Agencies 5
Jail Population Held for ICE -
Jail Population Held for State Prison 12
Jail Population Held for Out-of-State Prison -

Jefferson County Jail Admissions By Race

White Jail Population 13
Native Jail Population 2
Black Jail Population 1
Asian Jail Population -
Latino Jail Population 1

Jefferson County Jail Admissions

Female Jail Population 2
Male Jail Population 11
Total Jail Population 17
Total Jail Admissions 563

Jefferson County Pretrial Jail Population

Male Pretrial Jail Population 10
Female Pretrial Jail Population -
Pretrial Jail Population 1

Jefferson County, Montana Warrants, Arrests

Jefferson County Arrest Warrants
Jefferson County Child Support Warrants

Jefferson County Most Wanted
Jefferson County Sheriff Website

Jefferson County Sex Offender Registry
Jefferson County Sex Offender Registry


Refer the map below to find the driving directions.

Nearby Jail/Prison

Other Prison Types