Davenport is a city in Scott County, Iowa, United States, and its county seat. The population was 101,724 at the 2020 census, and was estimated at 100,938 in 2024, making it the third-most populous city in Iowa, after Des Moines and Cedar Rapids. It is situated along the Mississippi River on the eastern border of the state. Together with Bettendorf, Iowa; Rock Island, Illinois; Moline, Illinois; and East Moline, Illinois, Davenport is one of the five Quad Cities in Iowa and Illinois. It is the largest city in the Quad Cities area, which has a metropolitan area population of 384,324 and a Combined statistical area population of 474,019 in the 2020 census.