Police and sheriff · Iowa

Law Enforcement Agencies in Marion County, Iowa

4 agenciesFBI UCR list

The FBI's Uniform Crime Reporting program lists 4 law enforcement agencies in Marion County, Iowa: the county sheriff's office and 3 city or town police departments.

Sheriff's Office and County Police in Marion County

  • Marion County Sheriff's OfficeCounty sheriff or police · ORI IA0630000 · NIBRS since 1992

City and Town Police Departments in Marion County

  • Knoxville Police DepartmentCity or town police · ORI IA0630100 · NIBRS since 1992
  • Pella Police DepartmentCity or town police · ORI IA0630200 · NIBRS since 1992
  • Pleasantville Police DepartmentCity or town police · ORI IA0630300 · NIBRS since 2009

Where People Arrested in Marion 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.

Law Enforcement in Other Iowa Counties

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 Marion County?
The FBI lists 4 law enforcement agencies in Marion County, including 3 city or town police departments. The full list is on this page.
Who runs the jail in Marion County?
In most counties the sheriff runs the county jail. In Marion County that is the Marion County Sheriff's Office. See Marion 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 IA0630300. It is useful when you request records or read crime statistics.