Overview
The Quad Cities are a group of cities on both sides of the Mississippi River: Davenport and Bettendorf in Iowa, and Rock Island and Moline in Illinois.
History
The cities grew as river and railroad towns. John Deere's headquarters in Moline and the Rock Island Arsenal became major employers.
Today
Manufacturing, the Army arsenal and healthcare drive the region's economy.
Compiled October 2026. History is summarized for general interest; check primary sources for research. This landmark is local context, not an employer or job listing.