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.

Interstate 680 (I-680) in Nebraska and Iowa is the northern bypass of the Omaha–Council Bluffs metropolitan area. I-680 spans 16.49 miles (26.54 km) from its southern end in western Omaha, Nebraska, to its eastern end near Crescent, Iowa. The freeway passes through a diverse range of scenes and terrains—the urban setting of Omaha, the Missouri River and its valley, the rugged Loess Hills, and the farmland of Pottawattamie County, Iowa.