CCDPH Monthly Opioid Reports

The Cook County Department of Public Health (CCDPH) Monthly Opioid Reports are one part of CCDPH’s quantitative data collection and analysis of opioid use and overdose in suburban Cook County.

The reports provide demographic information, temporal comparisons, and drug information regarding opioid overdoses occurring in Cook County, excluding Chicago. CCDPH’s jurisdiction is for Cook County excluding the following municipalities: Chicago, Evanston, Skokie, Oak Park, and Stickney Township.

Reports are generated using data from the case archive of the Office of the Cook County Medical Examiner and are generated up to 90 days after the end of each month, as cases at can take up to 90 days to close.

Compared to 2019, the monthly number of opioid overdose deaths increased January 2020 to September 2020. The largest difference was seen in April 2020, when opioid overdose deaths increased by 139% compared to April 2019. October to December of 2020, however, saw monthly decreases in the counts of opioid overdose deaths compared to October to December of 2019. Fentanyl was the most prevalent drug involved in overdose deaths in 2019 and 2020.