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Granite City is a city in Madison County, Illinois, United States, part of the Greater St. Louis metropolitan area. At the 2010 census, the population was 29,849, with a total of about 67,000 in the immediate area. Officially founded in 1896, Granite City was named by the Niedringhaus brothers who established it as a steel making company town for the manufacture of kitchen utensils made to resemble granite.