Some of the cities, towns, and places in Hardin County are Ackley, Alden, Buckeye, Clay, Cleves, Concord, Eldora, Ellis, Etna, Garden City, Gifford, Grant, Hardin, Hubbard, Iowa Falls, Jackson, New Providence, Owasa, Pleasant, Providence, Radcliffe, Sherman, Steamboat Rock, Tipton, Union, Whitten
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.