Quad Cities

Metropolitan Statistical Area in the United States

The Quad Cities is a region of five cities in the U.S. states of Iowa and Illinois: Davenport and Bettendorf in southeastern Iowa, and Rock Island, Moline, and East Moline in northwestern Illinois. These cities are the center of the Quad Cities metropolitan area, a region within the Mississippi River Valley, which as of 2025, had a population estimate of 380,452 and a Combined Statistical Area (CSA) population of 468,307, making it the 148th-largest MSA and 91st-largest CSA in the nation.

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