14.0% of families were below the poverty line. 11.6% of those under the age of 18 and 6.1% of those 65 and older were living below the poverty line. Education Iona is served by the Bonneville Joint School District#93, with Iona Elementary School within the Iona city limits. Students are bussed to Rocky Mountain Middle School and Thunder Ridge High School. References Cities in Bonneville County, Idaho Cities in Idaho Cities in Idaho Falls metropolitan area Populated places established in 1884 1884 establishments in Idaho Territory