The FBI's Uniform Crime Reporting program lists 6 law enforcement agencies in Canyon County, Idaho: the county sheriff's office and 5 city or town police departments.
Sheriff's Office and County Police in Canyon County
Canyon County Sheriff's OfficeCounty sheriff or police · ORI ID0140000 · NIBRS since 1992
City and Town Police Departments in Canyon County
Caldwell Police DepartmentCity or town police · ORI ID0140100 · NIBRS since 1992
Middleton Police DepartmentCity or town police · ORI ID0140500 · NIBRS since 2017
Nampa Police DepartmentCity or town police · ORI ID0140200 · NIBRS since 1994
Parma Police DepartmentCity or town police · ORI ID0140300 · NIBRS since 1993
Wilder Police DepartmentCity or town police · ORI ID0140400 · NIBRS since 1992
Where People Arrested in Canyon 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 Canyon County?
The FBI lists 6 law enforcement agencies in Canyon County, including 5 city or town police departments. The full list is on this page.
Who runs the jail in Canyon County?
In most counties the sheriff runs the county jail. In Canyon County that is the Canyon County Sheriff's Office. See Canyon County Detention 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 ID0140300. It is useful when you request records or read crime statistics.
