Law Enforcement Agencies in Atchison County, Missouri
3 agenciesFBI UCR list
The FBI's Uniform Crime Reporting program lists 3 law enforcement agencies in Atchison County, Missouri: the county sheriff's office and 2 city or town police departments.
Sheriff's Office and County Police in Atchison County
Atchison County Sheriff's OfficeCounty sheriff or police · ORI MO0030000 · NIBRS since 2021
City and Town Police Departments in Atchison County
Rock Port Police DepartmentCity or town police · ORI MO0030200 · NIBRS since 2021
Tarkio Police DepartmentCity or town police · ORI MO0030300 · NIBRS since 2021
Where People Arrested in Atchison 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 Atchison County?
The FBI lists 3 law enforcement agencies in Atchison County, including 2 city or town police departments. The full list is on this page.
Who runs the jail in Atchison County?
In most counties the sheriff runs the county jail. In Atchison County that is the Atchison County Sheriff's Office. See Atchison 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 MO0030300. It is useful when you request records or read crime statistics.
