Police and sheriff · Massachusetts

Law Enforcement Agencies in Barnstable County, Massachusetts

17 agenciesFBI UCR list

The FBI's Uniform Crime Reporting program lists 17 law enforcement agencies in Barnstable County, Massachusetts: 15 city or town police departments, 1 state police post and 1 campus police department.

City and Town Police Departments in Barnstable County

  • Barnstable Police DepartmentCity or town police · ORI MA0010100 · NIBRS since 2000
  • Bourne Police DepartmentCity or town police · ORI MA0010200 · NIBRS since 1995
  • Brewster Police DepartmentCity or town police · ORI MA0010300 · NIBRS since 1999
  • Chatham Police DepartmentCity or town police · ORI MA0010400 · NIBRS since 2003
  • Dennis Police DepartmentCity or town police · ORI MA0010500 · NIBRS since 1998
  • Eastham Police DepartmentCity or town police · ORI MA0010600 · NIBRS since 1996
  • Falmouth Police DepartmentCity or town police · ORI MA0010700 · NIBRS since 1999
  • Harwich Police DepartmentCity or town police · ORI MA0010800 · NIBRS since 2001
  • Mashpee Police DepartmentCity or town police · ORI MA0010900 · NIBRS since 1999
  • Orleans Police DepartmentCity or town police · ORI MA0011000 · NIBRS since 2001
  • Provincetown Police DepartmentCity or town police · ORI MA0011100 · NIBRS since 2003
  • Sandwich Police DepartmentCity or town police · ORI MA0011200 · NIBRS since 1995
  • Truro Police DepartmentCity or town police · ORI MA0011300 · NIBRS since 1995
  • Wellfleet Police DepartmentCity or town police · ORI MA0011400 · NIBRS since 2008
  • Yarmouth Police DepartmentCity or town police · ORI MA0011500 · NIBRS since 2004

State Police in Barnstable County

  • State Police: Barnstable CountyState police · ORI MA301SP00 · NIBRS since 2021

College and University Police in Barnstable County

  • Cape Cod Community CollegeCollege or university police · ORI MA0011800 · NIBRS since 2020

Where People Arrested in Barnstable 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 Massachusetts 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 Barnstable County?
The FBI lists 17 law enforcement agencies in Barnstable County, including 15 city or town police departments. The full list is on this page.
Who runs the jail in Barnstable County?
See Barnstable County Jail on this site for who runs the jail in Barnstable County and how to reach it.
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 MA0011800. It is useful when you request records or read crime statistics.