Country United States Largest city Davenport, Iowa Lowest elevation 590 ft (180 m) | State(s) Iowa
Illinois Highest elevation 850 ft (259 m) Area 5,993 km² | |
 | ||
Other cities - Bettendorf, Iowa
- Moline, Illinois
- Rock Island, Illinois
- East Moline, Illinois | ||
The Quad Cities Metropolitan Area, more formally known as the Davenport-Moline-Rock Island Metropolitan Statistical Area is the metropolitan area associated with the Quad Cities and its suburbs in northwest Illinois and southeast Iowa. The Quad Cities Metropolitan Area is also considered part of the Great Lakes Megalopolis, and is the largest Metropolitan Area along the Mississippi River in Iowa and between Minneapolis–Saint Paul and the St. Louis metropolitan area. The Davenport-Moline-Rock Island Metropolitan Statistical Area consists of four counties: Scott County in Iowa and Henry, Mercer, and Rock Island counties in Illinois. The Quad City Metro population as of a 2013 estimate is 383,681 and a CSA population of 474,937, making it the 90th largest CSA in the nation. In addition to the five anchor cities, the Quad Cities area comprises surrounding smaller communities. Examples include the Iowa cities of Dixon, Donahue, Eldridge, Long Grove, Park View, Blue Grass, Buffalo, Montpelier, Walcott, Maysville, McCausland, Mount Joy, New Liberty, Princeton, LeClaire, Panorama Park and Riverdale. The Illinois communities are Silvis, Milan, Andalusia, Carbon Cliff, Coal Valley, Colona, Geneseo, Hampton, Port Byron, Orion, Kewanee, Annawan, Aledo, and Rapids City.