Carter Lake is a city in Pottawattamie County, Iowa, United States. A suburb of Omaha, Nebraska, it sits surrounding the south and west sides of the region's major airport, Eppley Airfield. It is separated from the rest of Iowa by the Missouri River, effectively making it an exclave. The population was 3,791 at 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.