Police and sheriff · New Jersey

Law Enforcement Agencies in Essex County, New Jersey

29 agenciesFBI UCR list

The FBI's Uniform Crime Reporting program lists 29 law enforcement agencies in Essex County, New Jersey: the county sheriff's office, 22 city or town police departments, 1 state police post, 4 campus police departments and 1 other agency.

Sheriff's Office and County Police in Essex County

  • Essex County Sheriff's OfficeCounty sheriff or police · ORI NJ0070000

City and Town Police Departments in Essex County

  • Belleville Police DepartmentCity or town police · ORI NJ0070100 · NIBRS since 2021
  • Bloomfield Police DepartmentCity or town police · ORI NJ0070200 · NIBRS since 2021
  • Caldwell Police DepartmentCity or town police · ORI NJ0070300 · NIBRS since 2021
  • Cedar Grove Township Police DepartmentCity or town police · ORI NJ0070500 · NIBRS since 2021
  • East Orange Police DepartmentCity or town police · ORI NJ0070600 · NIBRS since 2022
  • Essex Fells Police DepartmentCity or town police · ORI NJ0070700
  • Fairfield Township Police Department, Essex CountyCity or town police · ORI NJ0070400 · NIBRS since 2021
  • Glen Ridge Police DepartmentCity or town police · ORI NJ0070800 · NIBRS since 2021
  • Irvington Police DepartmentCity or town police · ORI NJ0070900 · NIBRS since 2022
  • Livingston Township Police DepartmentCity or town police · ORI NJ0071000 · NIBRS since 2021
  • Maplewood Township Police DepartmentCity or town police · ORI NJ0071100 · NIBRS since 2021
  • Millburn Township Police DepartmentCity or town police · ORI NJ0071200 · NIBRS since 2021
  • Montclair Police DepartmentCity or town police · ORI NJ0071300 · NIBRS since 2021
  • Newark Police DepartmentCity or town police · ORI NJNPD0000 · NIBRS since 2021
  • North Caldwell Police DepartmentCity or town police · ORI NJ0071500 · NIBRS since 2021
  • Nutley Township Police DepartmentCity or town police · ORI NJ0071600 · NIBRS since 2022
  • Orange Police DepartmentCity or town police · ORI NJ0071700 · NIBRS since 2021
  • Roseland Police DepartmentCity or town police · ORI NJ0071800 · NIBRS since 2021
  • South Orange Police DepartmentCity or town police · ORI NJ0071900 · NIBRS since 2021
  • Verona Police DepartmentCity or town police · ORI NJ0072000 · NIBRS since 2021
  • West Caldwell Township Police DepartmentCity or town police · ORI NJ0072100
  • West Orange Police DepartmentCity or town police · ORI NJ0072200 · NIBRS since 2022

State Police in Essex County

  • State Police: Essex CountyState police · ORI NJ007SP00

College and University Police in Essex County

  • Essex County CollegeCollege or university police · ORI NJ0073100 · NIBRS since 2021
  • Montclair State UniversityCollege or university police · ORI NJ0072800 · NIBRS since 2021
  • New Jersey Institute of TechnologyCollege or university police · ORI NJ0072700 · NIBRS since 2021
  • Rutgers University: NewarkCollege or university police · ORI NJ0073000 · NIBRS since 2021

Other Law Enforcement Agencies in Essex County

  • Prosecutor: Essex CountyOther agency · ORI NJ0078900

Where People Arrested in Essex 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 New Jersey 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 Essex County?
The FBI lists 29 law enforcement agencies in Essex County, including 22 city or town police departments. The full list is on this page.
Who runs the jail in Essex County?
In most counties the sheriff runs the county jail. In Essex County that is the Essex County Sheriff's Office. See Essex County Correctional Facility 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 NJ0072100. It is useful when you request records or read crime statistics.