When a judge issues a warrant this means that the officers have the right to find and arrest that person. This guide will show anyone how to perform a cook county warrant search in Illinois and find public records by a first and last name. In Cook County, the criminal department handles and is responsible for the maintenance of records for the following:
- Cook County Warrants & non-Cook County Warrants
- Preliminary Hearings Felony cases
- Misdemeanor criminal cases
- Domestic Violence cases
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Cook County Illinois creates millions of public records

Cook County is the second most populated county in all of the United States, only Los Angeles County in California. The population of Cook County is roughly 5,211,263 in 2017. Because of the sheer mass of people the county producing millions of searchable records each year. Warrants are included in that number as searchable documents in Cook County.
How to perform a Cook County warrant search and Case File lookup?
Did you know that the Clerk of the Circuit Court of Cook County supports open government and informed citizenry? This means that official court records that are being held in the County Clerks office are open to any member for viewing by the public. With that said there are restrictions that may make a record unviewable to the public.
This could be because the record has a court order on it or other provisions that keep it from being viewed. To read all the Policy and Procedures set forth by the Clerk of The Circuit Court of Cook County you can read more here.
In person
Users can check out and copy according to the Clerks File Inspection and Review and Procedure. The clerk will also require a File Request Form and a valid ID card, Driver License, Attorney ID Card, State ID Card or the similar. The above data is needed to view and get copies of these records.
Digital access terminals
This data can also be viewed by digital access by online images from within the courthouse. Again we would suggest bringing the proper identification as above.
Online Apps
By visiting the app store and Google Play there are methods to download and install a mobile application to search court records including warrants by case files, civil and traffic cases and more.
Location:
Criminal Department
500 West Washington Street
Room 1006
Chicago, IL 60602
312-603-4641
What type of information could be found within a Cook County criminal case file?
There could be a lot of informaton that is attached to a Cook County criminal case file. The following information could be found:
- Warrants
- Arrest report
- Complaints
- Bond slip
- Appearances
- Court orders
- Affidavits
- Motion orders
- Notices
- Petitions
Use a search service to perform a Cook County warrant search
Other methods in finding cook county warrants would be to run a public record search using a search service. Basically, the service only requires a first and last name along with a state to perform a warrant search or any other type of records search.
Once the name is inputted on a search starts that name is ran against thousands of data points from federal, state, and county data sources directly online. Because of this users can find all types of public records on a person with a single search.
Users can find arrest warrants, inmate data in Illionios, arrest records, criminal data, contact information, and much more. This is a simple, yet effective way to find warrant data online. Cook County warrants as well.
Chicago Illinois Police Wanted
Users can also look for the citywide wanted and fugitives. Users can search by districts as well. Even though this is not specific to Cook County it shows all wanted residents that are in Chicago. This page can be viewed by accessing the below link.
Regardless of what method is chosen above users should have enough information to perform a Cook County Warrant search by accessing official records from the county clerk house, or accessing data from a search service. Remember, these records are open for public viewing unless there is a court order to have them sealed. For the most part, users should be able to find warrant information in Cook County by following the above warrant guide.