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Ontonagon County Courthouse, MI

Perform a free Michigan inmate records search. Learn about visitation hours, inmate commissary, find persons in custody, recent arrests, mugshots, and requesting judicial records.

Ontonagon County Jail Information and Inmate Search

The Ontonagon County Jail holds pretrial detainees and sentenced offenders in Ontonagon County. The jail provides basic needs like food, shelter, and clothing. Inmates are designated as either maximum, medium, or minimum-level security. Classification is determined during the initial booking interview and considers factors such as an inmate’s current charges and previous convictions. Inmates are served three meals a day. The Ontonagon County Jail offers eligible inmates the opportunity to participate in trustee and inmate worker programs. Jail operations function 24 hours, 7 days a week. Mugshots are not available for arrested offenders.

Ontonagon County Jail Address
620 Conglomerate
Ontonagon, MI 49953

How to Send Mail or Package

All mail incoming will be inspected for contraband. Mail containing photographs will be photocopied with the copy given to the recipient. Legal mail from attorneys, courts, and government officials will not be photocopied, but will be inspected in front of the inmate. Legal mail will remain confidential. Mail that is rejected for security reasons will be forwarded back to the sender or destroyed if there is no return address. Funds can be deposited in an inmate’s account at the kiosk available in the lobby of the jail 24/7. Money orders may be sent via mail, and will be deposited into the inmate’s account.

Inmate Mailing Address
620 Conglomerate
Ontonagon, MI 49953

Visitation Hours

To schedule a remote or in-person visit, one must contact the Ontonagon County Sheriff’s Office. Onsite visits are 30 minutes maximum and are conducted 5 days a week. Visits are by appointment and must be scheduled 24 hours in advance. Both visitors and inmates must abide by jail rules as the visit is being conducted. Violation of visitation rules will result in the visit being terminated and visitation privileges will be revoked for the individual who committed the violation.

Additional Jail Information

To look up information about an inmate, individuals have the ability tto use the VINE website at The VINE website offers a search function that allows the individual to look up an inmate based on the state they are located in and their name, ID number, or case number. The individual is then directed to a webpage including all the matches for the search criteria. Among the information available in the search results is the inmate’s name, age, and record details will be made visible. The inmate’s case status, case number, and plea status are also shown. The agency that reported the crime is also listed along with their address and contact information.

Ontonagon County Sheriff Information

The Ontonagon County Sheriff’s Office operates and maintains its own jail for pretrial detainees and sentenced offenders. The goal of the Sheriff’s Office is to protect and serve the citizens of Ontonagon County without infringing the Constitutional rights of others. The Sheriff’s Office seeks to uphold an ethical and professional standard of excellence. The Sheriff’s Office strives to maintain a safe and humane jail facility for inmates and employees.

Dale Rantala


Ontonagon County Sheriff’s Office Address
620 Conglomerate
Ontonagon, MI 49953

Ontonagon County was founded in 1843. Both the largest village and county seat is Ontonagon. According to 2020 U.S. Census data, the population was 5,816. The total area of the county is 3,741 square miles with 1,311 miles being occupied by land.

Crime is ranked on a scale of 1 (low crime) to 100 (high crime)

Ontonagon County violent crime is 12.7. (The US average is 22.7)
Ontonagon County property crime is 27.4. (The US average is 35.4)

Inmate Search

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Ontonagon County Public Records Information

The Freedom of Information Act (FOIA) permits all persons access to public records; this includes information on the affairs of the government agencies and government officials. TO submit an FOIA request, one needs to submit either the FOIA form provided on the Ontonagon County website or a written request to the Sheriff’s Office. The Ontonagon County Sheriff’s Office will respond to the request within 5 business days. The fee associated with the FOIA request depends upon the costs of making copies, cost of materials to store the file, labor costs, and cost to mail the record. FOIA requests must provide adequate information so that a clerk may find the record in question.

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