Idaho Falls, Idaho
![](/Images/godic/202501/19/Bonneville_County_Idaho_Incorporated_and_Unincorporated_areas_Idaho_Falls_Highlighted.svg5816.png")
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![Taylor's Bridge, c.1870](/Images/godic/202501/19/TaylorsBridge-15816.jpg")
![Utah & Northern Bridge, c.1880, looking north, or upriver, with railroad shops in background.](/Images/godic/202501/19/UandN_Bridge_Eagle_Rock5816.jpg")
Idaho Falls is a city in and the county seat of Bonneville County, Idaho, United States, and is the largest city in Eastern Idaho. As of the 2010 census, the population of Idaho Falls was 56,813, with a metro population of 136,108. As of 2013, the population was estimated at 58,292.