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