Judith Basin County Jail Inmate Search
Judith Basin County Jail Inmate Services Information
Phone: 406-535-3860
Physical Address:
Fergus County Jail
121 8th Avenue South
Lewistown, MT 59457
Every year Judith Basin County law enforcement agencies arrest and detain 800 offenders, and maintain an average of 40 inmates (county-wide) in their custody on any given day.
The weekly turnover rate of inmates is approximately 55%, meaning that every week more than half of these inmates are released and then replaced with new offenders being booked into jail.
The charts below break down the men, women, races, ethnicities and the types of crimes that people are arrested and incarcerated for in both Judith Basin County and state prisons throughout the country. This information is compiled from local police and the Judith Basin County Sheriff's Department, as well as the state of Montana and the United States Department of Justice and Census Bureau.
If you are looking for a prisoner in Montana or Federal custody, click on the appropriate institution below.
If you are searching for an inmate being held in another county in Montana, click below.
If you are searching for a prisoner in a Montana State Prison click below.
If you are searching for a United States Federal Bureau of Prisons Inmate click below.
Federal Bureau of Prisons Inmate Search
For ICE Detainees (Immigration) being held at a detention facility in the United States, click below.
Judith Basin County Inmate Race & Ethnicity - 10/30/2026
| Race | Inmates | % Total |
|---|---|---|
| White | 25 | 80.65% |
| Black | 1 | 3.23% |
| Hispanic or Latino | 1 | 3.23% |
| American Indian/Native Alaskan | 1 | 3.23% |
| Asian | 1 | 3.23% |
| Pacific Islander/Native Hawaiian | 1 | 3.23% |
| Other | 1 | 3.23% |
| Total | 31 | 100.0% |
Judith Basin County Inmate Criminal Charges - 10/30/2026
(many inmates have multiple charges)
| Charge | Inmates | % Total |
|---|---|---|
| Felony (3rd Degree) | 8 | 25.81% |
| Felony (2rd Degree) | 6 | 19.35% |
| Felony (1st Degree) | 2 | 6.45% |
| State Jail Felony | 3 | 9.68% |
| Felony (Uncategorized) | 6 | 19.35% |
| Misdemeanor (Class A) | 6 | 19.35% |
| Misdemeanor (Class C) | 0 | 0.00% |
| Holds | 0 | 0.00% |
| Uncategorized | 0 | 0.00% |
Judith Basin County Inmate Sex - 10/30/2026
| Sex | Inmates | % Total |
|---|---|---|
| Male | 27 | 87.10% |
| Female | 4 | 12.90% |
| Total | 31 | 100.0% |
Judith Basin County Inmate Age - 10/30/2026
| Age | Inmates | % Total |
|---|---|---|
| Under 18 | 1 | 3.23% |
| 18-20 | 2 | 6.45% |
| 21-24 | 3 | 9.68% |
| 25-30 | 7 | 22.58% |
| 31-35 | 5 | 16.13% |
| 36-40 | 4 | 12.90% |
| 41-45 | 4 | 12.90% |
| 46-50 | 3 | 9.68% |
| 51-55 | 1 | 3.23% |
| 56-60 | 1 | 3.23% |
| 61-65 | 0 | 0.00% |
| 66-75 | 0 | 0.00% |
| 76-85 | 0 | 0.00% |
| Total | 31 | 100.0% |
- Fergus County Jail: 406-535-3860
- Judthe Basin County Sheriff: 406-566-2212
The Judith Basin County Jail serves the following cities and towns of Judith Basin County: Hobson, Moore, Moccasin, Stanford and Utica.