Cook County contains 134 municipalities in its region, the most well known being the City of Chicago – which is the County seat where the central offices of Cook County are located.

Cook County is the most populous county in the U.S. state of Illinois and the second-most-populous county in the United States, after Los Angeles County, California. More than 40 percent of all residents of Illinois live within Cook County.

What are Cook County's two Tax Sales? Are your taxes delinquent? The Cook County Treasurer's Office website was designed to meet the Illinois Information Technology Accessibility Act and the Americans with Disabilities Act.

Cook County is an urban county in the upper northeastern section of the State of Illinois that contains more than 800 local governmental units within its boundaries. With a population of approximately 5.2 million people, it is the second most populous county in the nation and the 19th largest government in the United States (2015 census ...

Vital Records The Cook County Clerk's office is the official record keeper for births, marriages, civil unions and deaths that occur in Chicago and suburban Cook County.

Welcome to the official web site for the Circuit Court of Cook County. We are the largest judicial circuit in the State of Illinois and one of the largest unified court systems in the world.

Cook County contains 134 municipalities in its region, the most well known being the City of Chicago – which is the County seat where the central offices of Cook County are located.

Cook County is the only home rule county in Illinois. [1][2] 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 …

Cook County is a county in the American state of Illinois. Chicago is the county seat of Cook County. Los Angeles County, California is the only county with a higher population than Cook County. [5] About 5,276,000 people live in Cook County. [4] This is 41 percent of all the people who live in Illinois. Cook County's population is more than ...

Cook County was formed by the Illinois General Assembly to meet the needs of the residents of the newly-forming municipality of Chicago. At this time, the State of Illinois’ power was concentrated in Southern Illinois and Central Illinois, and Chicago was considered a …