 About 7.10% of families and 9.40% of the population were below the poverty line, including 10.90% of those under age 18 and 10.10% of those age 65 or over.From 2010-2016, 54% of all vehicle-related fatalities in the county were related to the use of controlled substances, including alcohol, marijuana, methamphetamine and synthetic drugs.According to Tyler Dunman, Montgomery County assistant district attorney, approximately 60-70% of all crime in the county is connected to substance abuse.