Idaho Falls is a city in and the county seat of Bonneville County, Idaho, United States. It is the state's largest city outside the Boise metropolitan area. As of the 2010 census, the population of Idaho Falls was 56,813, with a metro population of 133,265.Idaho Falls serves as the commercial, cultural, and healthcare hub for Eastern Idaho, as well as parts of western Wyoming and southern Montana. It is served by the Idaho Falls Regional Airport and... Show more

source