Granite City is a city located in Madison County Illinois. With a 2020 population of 27,618, it is the 72nd largest city in Illinois and the 1391st largest city in the United States . Granite City is currently declining at a rate of -0.97% annually and its population has decreased by -7.47% since the most recent census, which recorded a population of 29,849 in 2010. Granite City reached it's highest population of 40,685 in 1970. Spanning over 21 miles, Granite City has a population density of 1,434 people per square mile.
The average household income in Granite City is $60,830 with a poverty rate of 19.34%. The median rental costs in recent years comes to $728 per month, and the median house value is $83,500. The median age in Granite City is 41.8 years, 38.2 years for males, and 45.5 years for females.