Quad Cities

region in eastern Iowa and western Illinois USA (includes the cities of Davenport and Bettendorf in Iowa and Rock Island and Moline in Illinois)

For the nuclear power plant, see the Quad Cities Nuclear Generating Station. The Quad Cities are a group of cities which flank the Mississippi River in Iowa and Illinois in the midwestern United States. The July 1, 2006, population of the four-county metropolitan area is estimated at 377,291. The five largest cities, in order of descending population, are:Davenport, IowaMoline, IllinoisRock Island, IllinoisBettendorf, IowaEast Moline, Illinois
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