Community Profile 2018 - Clark County substancetreatment-clark.pdf Division of Behavioral Health: Mental Illness Treatment Services - Clark County Missouri Student Survey - Clark County population-clark.pdf County Health Ranking http://www.countyhealthrankings.org/app/missouri/2019/rankings/clark/county/out… QuickFacts: U.S. Census Bureau https://www.census.gov/quickfacts/fact/table/clarkcountymissouri/PST045218 Prevention Needs Assessment Profile for Clark County Date 2018