Law Enforcement Agencies in Mercer County, North Dakota
3 agenciesFBI UCR list
The FBI's Uniform Crime Reporting program lists 3 law enforcement agencies in Mercer County, North Dakota: the county sheriff's office and 2 city or town police departments.
Sheriff's Office and County Police in Mercer County
Mercer County Sheriff's OfficeCounty sheriff or police · ORI ND0290000 · NIBRS since 1991
City and Town Police Departments in Mercer County
Beulah Police DepartmentCity or town police · ORI ND0290100 · NIBRS since 1991
Hazen Police DepartmentCity or town police · ORI ND0290200 · NIBRS since 1991
Where People Arrested in Mercer 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 Mercer County?
The FBI lists 3 law enforcement agencies in Mercer County, including 2 city or town police departments. The full list is on this page.
Who runs the jail in Mercer County?
In most counties the sheriff runs the county jail. In Mercer County that is the Mercer County Sheriff's Office. See Mercer 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 ND0290100. It is useful when you request records or read crime statistics.
