Shelby is a city in Pottawattamie and Shelby counties in the U.S. state of Iowa. The population was 727 at the time of the 2020 census.

Pottawattamie County is a county located in the U.S. state of Iowa. At the 2020 census, the population was 93,667, making it the tenth-most populous county in Iowa. The county takes its name from the Potawatomi Native American tribe. The county seat is Council Bluffs.