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 2020 census, the population of Idaho Falls was 64,818. In the 2010 census, the population of Idaho Falls was 56,813 (2019 estimate: 62,888), with a metro population of 133,265.
Zip Codes in Idaho Falls, ID that we also serve: 83401 83402 83404 83415