Iowa Falls is a city in Hardin County, Iowa, United States. Iowa Falls is the home of Ellsworth Community College. It is also a regional transportation center, located along U.S. Routes 20 and 65 and the Canadian National and Union Pacific Railroads. The population was 5,106 at the time of the 2020 census.

Hardin County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 16,878. The county seat is Eldora. The county was named in honor of Col. John J. Hardin, of Illinois, who was killed in the Mexican–American War.