The FBI's Uniform Crime Reporting program lists 8 law enforcement agencies in Boulder County, Colorado: the county sheriff's office, 5 city or town police departments, 1 campus police department and 1 other agency.
Sheriff's Office and County Police in Boulder County
City and Town Police Departments in Boulder County
State Agencies in Boulder County
College and University Police in Boulder County
Where People Arrested in Boulder 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.