Police and sheriff · Missouri

Law Enforcement Agencies in St. Charles County, Missouri

11 agenciesFBI UCR list

The FBI's Uniform Crime Reporting program lists 11 law enforcement agencies in St. Charles County, Missouri: 2 county agencies, 7 city or town police departments, 1 campus police department and 1 other agency.

Sheriff's Office and County Police in St. Charles County

  • St. Charles County Police DepartmentCounty sheriff or police · ORI MO0922400 · NIBRS since 2019
  • St. Charles County Sheriff's OfficeCounty sheriff or police · ORI MO0920000 · NIBRS since 2019

City and Town Police Departments in St. Charles County

  • Cottleville Police DepartmentCity or town police · ORI MO0920700 · NIBRS since 2020
  • Foristell Police DepartmentCity or town police · ORI MO0921200 · NIBRS since 2020
  • Lake St. Louis Police DepartmentCity or town police · ORI MO0920900 · NIBRS since 2020
  • O'Fallon Police DepartmentCity or town police · ORI MO0920100 · NIBRS since 2020
  • St. Charles Police DepartmentCity or town police · ORI MO0920300 · NIBRS since 2012
  • St. Peters Police DepartmentCity or town police · ORI MO0920400 · NIBRS since 2009
  • Wentzville Police DepartmentCity or town police · ORI MO0920500 · NIBRS since 2017

College and University Police in St. Charles County

  • St. Charles Community CollegeCollege or university police · ORI MO0921400 · NIBRS since 2020

Other Law Enforcement Agencies in St. Charles County

  • St. Charles Regional Drug Task ForceOther agency · ORI MO0922500 · NIBRS since 2022

Where People Arrested in St. Charles 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 Missouri 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 St. Charles County?
The FBI lists 11 law enforcement agencies in St. Charles County, including 7 city or town police departments. The full list is on this page.
Who runs the jail in St. Charles County?
In most counties the sheriff runs the county jail. In St. Charles County that is the St. Charles County Sheriff's Office. See St. Charles 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 MO0920300. It is useful when you request records or read crime statistics.