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Madison County


Panoramic view of a crowded NASCAR oval racetrack with cheering spectators in the grandstands, the infield pit area with trailers and equipment, and two military jets flying in formation across a bright blue sky.

Photo Courtesy of Explore St. Louis

Driving Development

One of the largest counties in the region, much of Madison County’s population and employment is centered in the county seat, Edwardsville, and other larger cities like Alton, Collinsville, and Granite City. Major employers in Madison County include Amazon Inc., U.S. Steel, and Phillips 66 Wood River Refinery, Southern Illinois University Edwardsville, America’s Central Port, and World Wide Technology Raceway are among the assets that are driving development in the county.

Visit Madison County

Madison County Economic Development:
Cathy Hamilton, Economic Development Director
Madison County
618-452-6213
vog.liytnuocnosidam@notlimahc

Madison County by the Numbers