Circuit Court of Cook County. Office of the Chief Judge 50 West Washington Street, Room 2600 Richard J. Daley Center Chicago, IL 60602 (312) 603-6000 Main

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.

Find links to information about judges and administrative staff. Provided by the Administrative Office of Illinois Courts.

Timothy C. Evans serves as the Chief Judge of the Circuit Court of Cook County, the largest of the 24 judicial circuits in Illinois and also one of the largest unified court systems in the world. More than 1 million cases are annually filed in the court, …

Please Note: All criminal duty matters are heard in courtroom 1743. NOTE: If an emergency matter, as defined in Local Rule 77.2, arises outside of regular business hours, arrangements to bring that matter before the emergency judge may be made by calling (312) 702-8875.

Chief Justice Theis has served at every level of the Judiciary in the State of Illinois. In 1983 she was appointed an Associate Judge in the Circuit Court of Cook County, where she served for five years.

Timothy C. Evans serves as the Chief Judge of the Circuit Court of Cook County, the largest of the 24 judicial circuits in Illinois and also one of the largest unified court systems in the world. More than 1 million cases are filed annually in the Circuit Court of Cook County, which serves Cook County's 5.1 million residents.

Mary Jane Theis (born February 27, 1949) is a justice of the Illinois Supreme Court for the First Judicial District in Cook County. In 2022, she became chief justice after the retirement of then-chief justice Anne M. Burke.

To help voters elect and retain qualified judges, 13 local and state bar associations have comprehensively reviewed and assessed judicial candidates in a nonpartisan manner. WTTW News simplified those evaluations to help you make informed decisions at the polls.

Nancy Lee Maldonado (born November 28, 1975) is an American lawyer from Chicago who has served as a United States circuit judge of the United States Court of Appeals for the Seventh Circuit since 2024. She previously served as a United States district judge of the United States District Court for the Northern District of Illinois from 2022 to 2024.