Idaho Falls is a city in and the county seat of Bonneville County, Idaho, United States, and the largest city in Eastern Idaho. As of the 2010 census, the population of Idaho Falls was 56,813, with a metro population of 130,374.Idaho Falls is the principal city of the Idaho Falls, Idaho Metropolitan Statistical Area and the Idaho Falls-Blackfoot, Idaho Combined Statistical Area. It is the state's largest city outside the Boise metropolitan area and the third-largest metro area behind Boise City-Nampa and Coeur d'Alene, which is connected to the larger Spokane, Washington.

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