Scott County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 174,669, making it the third-most populous county in Iowa. The county seat is Davenport.

Iowa is a landlocked state in the upper Midwestern region of the United States. It borders the Mississippi River to the east and the Missouri River and Big Sioux River to the west; Wisconsin to the northeast, Illinois to the east and southeast, Missouri to the south, Nebraska to the west, South Dakota to the northwest, and Minnesota to the north.