Granite City is located in Illinois. Granite City, Illinois has a population of 28,242. Granite City is less family-centric than the surrounding county with 24% households with children. The county percentage for households with children is 28%.
The median household income in Granite City, Illinois is $51,248. The median household income for the surrounding county is $63,321 compared to the national median of $66,222. The median age of people living in Granite City is 39.5 years.
The average high temperature in July is 88.1 degrees, with an average low temperature in January of 19.4 degrees. The annual precipitation is 38.54.