The Sheriff of Cook County is the Chief Law Enforcement Officer in the County. Under the provisions of the Illinois State Constitution, the Sheriff has three primary responsibilities: Providing services and security to county and court facilities, administering the Cook County Jail, and protecting and serving the citizens of Cook County with policing throughout the county. The Sheriff’s Office strives to provide direction and leadership to all departments and employees of the Sheriff in order to meet and exceed the needs of the citizens of Cook County in providing protection, rehabilitation, civil action, security, and community services.

Mandates and Key Activities

  • The Office of the Sheriff directs over 6,700 officers, deputies, and civilians who perform a number of diverse tasks within the criminal justice system that are the responsibility of the Cook County Sheriff. This department oversees policy development and provides the leadership and direction for all Sheriff’s Departments.