Police and sheriff · Colorado

Law Enforcement Agencies in Weld County, Colorado

29 agenciesFBI UCR list

The FBI's Uniform Crime Reporting program lists 29 law enforcement agencies in Weld County, Colorado: the county sheriff's office, 26 city or town police departments, 1 campus police department and 1 other agency.

Sheriff's Office and County Police in Weld County

  • Weld County Sheriff's OfficeCounty sheriff or police · ORI CO0620000 · NIBRS since 2005

City and Town Police Departments in Weld County

  • Ault Police DepartmentCity or town police · ORI CO0621200 · NIBRS since 2005
  • Brighton Police DepartmentCity or town police · ORI CO0010200 · NIBRS since 2004
  • Dacono Police DepartmentCity or town police · ORI CO0620800 · NIBRS since 1997
  • Eaton Police DepartmentCity or town police · ORI CO0620300 · NIBRS since 1997
  • Erie Police DepartmentCity or town police · ORI CO0620700 · NIBRS since 1997
  • Evans Police DepartmentCity or town police · ORI CO0620400 · NIBRS since 2012
  • Firestone Police DepartmentCity or town police · ORI CO0621800 · NIBRS since 2012
  • Fort Lupton Police DepartmentCity or town police · ORI CO0620100 · NIBRS since 1997
  • Frederick Police DepartmentCity or town police · ORI CO0621700 · NIBRS since 2006
  • Garden City Police DepartmentCity or town police · ORI CO0622700 · NIBRS since 2012
  • Greeley Police DepartmentCity or town police · ORI CO0620200 · NIBRS since 2005
  • Hudson Police DepartmentCity or town police · ORI CO0622400 · NIBRS since 2012
  • Johnstown Police DepartmentCity or town police · ORI CO0621000 · NIBRS since 2005
  • Keenesburg Police DepartmentCity or town police · ORI CO0621900 · NIBRS since 2012
  • Kersey Police DepartmentCity or town police · ORI CO0620900 · NIBRS since 2005
  • La Salle Police DepartmentCity or town police · ORI CO0620500 · NIBRS since 2012
  • Lochbuie Police DepartmentCity or town police · ORI CO0622000 · NIBRS since 2014
  • Longmont Police DepartmentCity or town police · ORI CO0070400 · NIBRS since 1997
  • Mead Police DepartmentCity or town police · ORI CO0622600 · NIBRS since 2012
  • Milliken Police DepartmentCity or town police · ORI CO0621100 · NIBRS since 2005
  • Northglenn Police DepartmentCity or town police · ORI CO0010600 · NIBRS since 1997
  • Nunn Police DepartmentCity or town police · ORI CO0622300 · NIBRS since 2021
  • Platteville Police DepartmentCity or town police · ORI CO0621300 · NIBRS since 2013
  • Severance Police DepartmentCity or town police · ORI CO0622800 · NIBRS since 2012
  • Timnath Police DepartmentCity or town police · ORI CO0351000 · NIBRS since 2009
  • Windsor Police DepartmentCity or town police · ORI CO0620600 · NIBRS since 1997

College and University Police in Weld County

  • University of Northern ColoradoCollege or university police · ORI CO0621600 · NIBRS since 1997

Other Law Enforcement Agencies in Weld County

  • Weld County Drug Task ForceOther agency · ORI CO0628000 · NIBRS since 2022

Where People Arrested in Weld 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 Colorado 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 Weld County?
The FBI lists 29 law enforcement agencies in Weld County, including 26 city or town police departments. The full list is on this page.
Who runs the jail in Weld County?
In most counties the sheriff runs the county jail. In Weld County that is the Weld County Sheriff's Office. See Weld 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 CO0622600. It is useful when you request records or read crime statistics.