Government of Cook County, Illinois

The government of Cook County, Illinois is primarily composed of the Board of Commissioners, other elected officials such as the Sheriff, State's Attorney, Treasurer, Board of Review, Clerk, Assessor, Recorder, Cook County Circuit Court judges and Circuit Court Clerk, as well as numerous other officers and entities. Cook County is the only home rule county in Illinois. The Cook County Code is the codification of Cook County's local ordinances.

The Cook County Board of Commissioners is the county's legislative body. It made up of 17 commissioners who are elected by district for four year terms. The county board sets policy and laws for the county regarding property, public health services, public safety, and maintenance of county highways. It is presided over by the County Board President, currently Toni Preckwinkle.

The Cook County Sheriff is the sheriff. All Cook County Sheriff's Deputies have police powers regardless of their particular job function or title. Like other Sheriffs' departments in Illinois, the Sheriff can provide all traditional law-enforcement functions, including county-wide patrol and investigations irrespective of municipal boundaries, even in the city of Chicago, but has traditionally limited its police patrol functions to unincorporated areas of the county.

The Cook County Department of Corrections operates the Cook County Jail, the largest single-site jail in the nation. Notable Officer ``` Deputy Joe Fiorentino ``` Cook County Crime Stoppers Law Enforcement Award and Ellis Island Medal of Honor.

The Cook County State's Attorney handles criminal prosecutions.

...
Wikipedia