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Quad Cities USA - Guide to Davenport & Bettendorf Iowa and Rock Island & Moline Illinois
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Sharing the Mississippi Rivers, the Quad Cities encompasses cities and counties in both Iowa and Illinois, and comprises a vibrant community of 400,000 people.

To learn more about life in the Quad Cities Metropolitan Area, view the videos below and explore the hundreds of resource pages within our website.

Midwest Magic on the Mississippi River

Which Cities Make Up The Quad Cities?

The Quad Cities actually consists of five neighboring cities flanking the Mississippi River in Iowa and Illinois in the Midwestern United States. The July 1, 2007, population of the four-county metropolitan area is estimated at 376,160. The Quad Cities, in order of descending population, are:

  1. Davenport, Iowa
  2. Moline, Illinois
  3. Rock Island, Illinois
  4. Bettendorf, Iowa
  5. East Moline, Illinois

Before World War II, the area was known as the “Tri-Cities“, and included only Davenport, Rock Island, and Moline. With the growth of Rock Island County, East Moline was eventually given “equal status,” and the region became known as the “Quad Cities” during the early 1960s.

By the 1970s, Bettendorf had grown such that many people in the community openly discussed the adoption of the name “Quint Cities“. However, by this time, the name “Quad Cities” had become known well beyond the area, and Quint Cities never caught on. As Bettendorf passed East Moline in size, it became one of the Quad Cities—a name that is now technically a misnomer, as the area includes five cities each with a population of over 20,000.