The Initiation results data presented here reflects all of the arrests that came through the door of the State's Attorneys Office (SAO). An initiation is how an arrest turns into a “case” in the courts. Most cases are initiated through a process known as felony review, in which SAO attorneys make a decision whether or not to prosecute. Cases may also be indicted by a grand jury or, in narcotics cases, filed directly by law enforcement (labeled "BOND SET (Narcotics)" in this data). Included in this data set are the defendant counts by initiation and year. This data includes felony cases handled by the Criminal, Narcotics, and Special Prosecution Bureaus. It does not include information about cases processed through the Juvenile Justice and Civil Actions Bureaus.
Please use this link for more instructions and data glossary:
https://www.cookcountystatesattorney.org/resources/how-read-data

The disposition data presented in this data reflects the culmination of the fact-finding process that leads to the resolution of a case. Each row represents a charge that has been disposed of.

Please use this link for more instructions and data glossary:
https://www.cookcountystatesattorney.org/resources/how-read-data

The sentencing data presented in this report reflects the judgment imposed by the court on people that have been found guilty. Each row represents a charge that has been sentenced.

Please use this link for more instructions and data glossary:
https://www.cookcountystatesattorney.org/resources/how-read-data

The intake data presented in this data reflects the cases brought in for review. Each row represents a potential defendant in a case.
Please use this link for more instructions and data glossary:
https://www.cookcountystatesattorney.org/resources/how-read-data

Effective April 1, 2022, the Cook County Medical Examiner’s Office no longer takes jurisdiction over hospital, nursing home or hospice COVID-19 deaths unless there is another factor that falls within the Office’s jurisdiction. Data continues to be collected for COVID-19 deaths in Cook County on the Illinois Dept. of Public Health COVID-19 dashboard (https://dph.illinois.gov/covid19/data.html).

This contains information about deaths that occurred in Cook County that were under the Medical Examiner’s jurisdiction. Not all deaths that occur in Cook County are reported to the Medical Examiner or fall under the jurisdiction of the Medical Examiner. The Medical Examiner’s Office determines cause and manner of death for those cases that fall under its jurisdiction. Cause of death describes the reason the person died. This dataset includes information from deaths starting in August 2014 to the present, with information updated daily.

Changes:
December 16, 2022: The Cook County Commissioner District field now reflects the boundaries that went into effect December 5, 2022.

September 8, 2023: The Primary Cause field is now a combination of the Primary Cause Line A, Line B, and Line C fields.

As a public agency, the Office of the Chief Procurement Officer welcomes all vendors to participate in the open and competitive process. The buying plan contains hundreds of great opportunities for vendors to do business with Cook County. The buying plan includes information on numerous County projects and needs. You will find useful information on the department requesting proposals, project descriptions, value of contract, advertising date, and various Minority, Women and Veteran Business Enterprise subcontracting opportunities. OCPO encourages all potential vendors to use the information provided in the plan to assist them in future procurement efforts. Please contact Procurement staff or visit our website at https://www.cookcountyil.gov/procurement with any questions regarding procurement and contracting.