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