Law Enforcement Agencies in Ontonagon County, Michigan
2 agenciesFBI UCR list
The FBI's Uniform Crime Reporting program lists 2 law enforcement agencies in Ontonagon County, Michigan: the county sheriff's office and 1 state police post.
Sheriff's Office and County Police in Ontonagon County
Ontonagon County Sheriff's OfficeCounty sheriff or police · ORI MI6616600 · NIBRS since 1995
State Police in Ontonagon County
State Police: Ontonagon CountyState police · ORI MI6606600 · NIBRS since 1998
Where People Arrested in Ontonagon County Are Held
In most U.S. counties, adults arrested by city police, the sheriff or state troopers are booked into the county jail first. Some larger cities run their own holding jail, so if a person is not on the county roster, call the arresting department.
Agency names, types and ORI codes come from the FBI Crime Data Explorer agency list, retrieved November 2026. NIBRS dates show when an agency began reporting incident-level crime data to the FBI.
Frequently Asked Questions
How many police departments are in Ontonagon County?
The FBI lists 2 law enforcement agencies in Ontonagon County, including 0 city or town police departments. The full list is on this page.
Who runs the jail in Ontonagon County?
In most counties the sheriff runs the county jail. In Ontonagon County that is the Ontonagon County Sheriff's Office. See Ontonagon County Jail on this site for the jail's roster or contact details.
What is an ORI number?
An ORI is the nine-character identifier the FBI assigns to each law enforcement agency for crime reporting, for example MI6616600. It is useful when you request records or read crime statistics.
