
American Falls
- County:
- Power County
- County Seat:
- Yes
- Area (mi²):
- 1.614
- State:
- Idaho
American Falls is a city located in Power County, Idaho. American Falls has a 2025 population of 4,927. It is also the county seat of .American Falls is currently growing at a rate of 1.5% annually and its population has increased by 8.02% since the most recent census, which recorded a population of 4,561 in 2020.
The average household income in American Falls is $68,371 with a poverty rate of 7.06%. The median age in American Falls is 32.5 years: 30 years for males, and 33.4 years for females.