Cook County Medical Examiner Case Archive: Deaths Under Jurisdiction

Cook County, Illinois, provides detailed records of deaths falling under the jurisdiction of its Medical Examiner's Office from August 2014 onward. The dataset includes demographic information, dates of incident and death, and detailed cause-of-death analysis with specific flags for gun, opioid, heat, cold, and transportation-related fatalities. Records are updated daily and reflect changes in jurisdictional policy, such as the exclusion of most hospital and hospice COVID-19 deaths after April 1, 2022.

Use Cases

• Analyzing temporal trends in specific causes of death using Date of Death, Primary Cause, and Manner of Death.
• Mapping mortality disparities by demographic and geographic factors using Race, Gender, Age, Commissioner District, and Incident City.
• Investigating the public health impact of specific risk factors using the Gun Related, Opioid Related, Heat Related, Cold Related, and Transportation Related flags.
• Correlating incident circumstances with final cause of death using Date of Incident, Primary Cause Line A/B/C, and Secondary Cause.

Strengths

• Contains detailed, standardized cause-of-death information compiled by a medical examiner's office, including a multi-line Primary Cause field.
• Covers a long time series, with records starting in August 2014 and updated daily.
• Includes specific Boolean flags for public health topics of interest (Gun Related, Opioid Related).

Limitations

• Jurisdiction is limited; it does not include all deaths in Cook County, only those reported to and falling under the Medical Examiner's Office.
• Key metadata like row count, license, and exact data size are unavailable across all platform sources.
• There is a conflict in the 'last updated' date between sources (2026-06-04 vs 2026-04-12), indicating potential synchronization issues.

Provenance

Source

Cook County Medical Examiner's Office (Cook County of Illinois).

Collection Method

Administrative records generated as part of the Medical Examiner's case investigation and determination process.

Time Range

August 2014 to present (daily updates).

Freshness

Updated as recently as 2026-06-04 according to the most detailed source.

Geography

Cook County, Illinois, USA.