Law Enforcement Agencies in St. Mary Parish, Louisiana
6 agenciesFBI UCR list
The FBI's Uniform Crime Reporting program lists 6 law enforcement agencies in St. Mary Parish, Louisiana: the county sheriff's office and 5 city or town police departments.
Sheriff's Office and County Police in St. Mary Parish
St. Mary Parish Sheriff's OfficeCounty sheriff or police · ORI LA0510000 · NIBRS since 2021
City and Town Police Departments in St. Mary Parish
Baldwin Police DepartmentCity or town police · ORI LA0510500
Berwick Police DepartmentCity or town police · ORI LA0510100 · NIBRS since 2021
Franklin Police DepartmentCity or town police · ORI LA0510200
Morgan City Police DepartmentCity or town police · ORI LA0510300 · NIBRS since 2021
Patterson Police DepartmentCity or town police · ORI LA0510400 · NIBRS since 2021
Where People Arrested in St. Mary Parish 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 St. Mary Parish?
The FBI lists 6 law enforcement agencies in St. Mary Parish, including 5 city or town police departments. The full list is on this page.
Who runs the jail in St. Mary Parish?
In most counties the sheriff runs the county jail. In St. Mary Parish that is the St. Mary Parish Sheriff's Office. See St. Mary Parish Law Enforcement Center 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 LA0510200. It is useful when you request records or read crime statistics.
