According to the reference data, in Worcester County, MA, approximately 6,600 residents were admitted to treatment for alcohol and/or drug abuse in 2017. The majority were male and of Caucasian descent. Around 67% of those admitted reported heroin as their primary substance of use, while 21% reported alcohol. In 2020, there were 282 opioid-related overdose deaths in the county, representing a significant increase from 2010 to 2020.