Sharing the Mississippi River, the Quad Cities encompasses cities and counties in both Iowa and Illinois, and comprises a vibrant community of 400,000 people. Rock Island, Moline and East Moline of Rock Island County in Illinois join with Davenport and Bettendorf in Scott County Iowa as the largest cities in the Quad City Metropolitan Area.

Quad City Music Guild is a non-profit organization dedicated to providing high-quality musical theater entertainment at Prospect Park Auditorium in Moline, Illinois, one of the Quad Cities.

The Quad City Storm is a professional minor league hockey team in the Southern Professional Hockey League. The team is based in the Quad Cities area of Illinois and Iowa, with home games at the TaxSlayer Center in Moline, Illinois.