Are you looking to move into a neighborhood in madison County, but know nothing about it? Before you buy a home in madison County, Illinois or find a new madison County new homes, do a neighborhood search first. Here you can find statistics on madison County, il neighborhood housing, cost of living, weather, economy, household demographics and madison County schools to help you decide which neighborhood is right for you. madison County, Illinois neighborhood information made easy with AOL Real Estate. Start browsing madison County cities/towns today by clicking one of the links below.