Demographics

Current Population

The population of Idaho Falls is 66,898, which makes Idaho Falls the fourth-largest city in Idaho. In 2020 the metro population was 157,429.


Land Area

According to the United States Census Bureau, the city has a total area of 24 square miles. This is up from 22 square miles as recorded in the 2010 census. 

A small waterfall flowing down a hill at dusk.