Idaho Falls is a city located in Bonneville County Idaho. It is also the county seat of Bonneville County. With a 2020 population of 64,618, it is the 4th largest city in Idaho (after Boise, Meridian, and Nampa) and the 593rd largest city in the United States . Idaho Falls is currently growing at a rate of 1.36% annually and its population has increased by 13.74% since the most recent census, which recorded a population of 56,813 in 2010. Idaho Falls reached it's highest population of 64,618 in 2021. Spanning over 25 miles, Idaho Falls has a population density of 2,693 people per square mile.
The average household income in Idaho Falls is $75,356 with a poverty rate of 13.43%. The median rental costs in recent years comes to $776 per month, and the median house value is $164,500. The median age in Idaho Falls is 33.4 years, 32.6 years for males, and 34.3 years for females.