Rock Island, IA-IL
QuadCities Aerial

Common name: Quad Cities
Largest city Davenport, Iowa
Other cities  - Bettendorf, Iowa
 - Moline, Illinois
 - Rock Island, Illinois
 - East Moline, Illinois
Population  Ranked 132nd in the U.S.
 - Total 379,690 (2010 est.)
 - Density 163.19 /sq. mi. 
63.01 /km²
Area 2,314 sq. mi.
5,993 km²
State(s)   - Iowa
 - Illinois
 - Highest point 850 feet (259 m)
 - Lowest point 590 feet (180 m)

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. 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 2010 estimate is 379,690.[1]

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.


Places with 60,000 to 100,000 inhabitantsEdit

Places with 30,000 to 60,000 inhabitantsEdit

Places with 10,000 to 30,000 inhabitantsEdit

Places with 1,000 to 10,000 inhabitantsEdit

Places with fewer than 1,000 inhabitantsEdit

Unincorporated placesEdit


  1. ^ "American FactFinder". United Staes Census Bureau. 2010. Retrieved 2011-05-26.  Note: Quad City population is equivalent to adding up the populations of Scott County, Iowa and Rock Island, Mercer, and Henry Counties in Illinois.

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