State Government in Mount Vernon, OH Knox County Sheriff-Detective11540 Upper Gilchrist RdMount Vernon, OH, 430507403973333City Village Township GovernmentJailMissing PersonMorrow County JailMunicipal CourtOhio State Highway PatrolPolice DepartmentPolice DepartmentsPrison Mt Vernon Street Dept40 Public SqMount Vernon, OH, 430507403939501City Village Township GovernmentHoward TownshipMissing PersonMunicipal CourtOhio State Highway PatrolPolice DepartmentPolice Departments Show More