Granite City is a city in Madison County, Illinois, United States, within the Greater St. Louis metropolitan area. The population was 29,849 at the 2010 census, making it the second largest city in the Metro East and Southern Illinois regions, behind Belleville. Officially founded in 1896, Granite City was named by the Niedringhaus brothers, William and Frederick, who established it as a steel making company town for the manufacture of kitchen utensils made to resemble granite.