Community Profile 2018 - Saint Louis County Substance Use and Mental Health Indicators - Saint Louis County substancetreatment-saintlouis.pdf Division of Behavioral Health: Mental Illness Treatment Services - Saint Louis County Missouri Student Survey - Saint Louis County population-saintlouis.pdf County Health Ranking http://www.countyhealthrankings.org/app/missouri/2019/rankings/st-louis/county/… QuickFacts: U.S. Census Bureau https://www.census.gov/quickfacts/fact/table/stlouiscountymissouri/PST045218 Prevention Needs Assessment Profile for Saint Louis County Date 2018