In 2017 2,779 people died of drug overdose in Illinois. 2,202 of those deaths were caused by some form of opioid
State of Illinois Comprehensive Opioid Data Report
IDHS The Opioid Crisis in Illinois: Data and State Response
IDPH Drug Overdose Deaths by Sex, Age Group, Race/Ethnicity and Count 2013-2016
In 2017 there were 70,237 drug overdose deaths in the United states. 47,600 of those deaths involved opioids.
CDC National Drug Overdose Counts
National Institute on Drug Abuse
Overdose Death Rates
CDC Opioid Overdose Statistics