The FBI's Uniform Crime Reporting program lists 6 law enforcement agencies in Polk County, Missouri: the county sheriff's office and 5 city or town police departments.
Sheriff's Office and County Police in Polk County
Polk County Sheriff's OfficeCounty sheriff or police · ORI MO0840000 · NIBRS since 2020
City and Town Police Departments in Polk County
Bolivar Police DepartmentCity or town police · ORI MO0840100 · NIBRS since 2019
Fair Play Police DepartmentCity or town police · ORI MO0840900 · NIBRS since 2022
Humansville Police DepartmentCity or town police · ORI MO0840200 · NIBRS since 2021
Morrisville Police DepartmentCity or town police · ORI MO0842400 · NIBRS since 2022
Pleasant Hope Police DepartmentCity or town police · ORI MO0841400 · NIBRS since 2021
Where People Arrested in Polk 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 Polk County?
The FBI lists 6 law enforcement agencies in Polk County, including 5 city or town police departments. The full list is on this page.
Who runs the jail in Polk County?
In most counties the sheriff runs the county jail. In Polk County that is the Polk County Sheriff's Office. See Polk 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 MO0840000. It is useful when you request records or read crime statistics.
