What are Illinois’ fastest-growing cities? According to a ranking by Nerd Wallet Finance, Chicago Heights is #1, followed by Melrose Park, Champaign, Woodstock, Rolling Meadows, Berwyn, South Holland, Normal, Glen Ellyn and Des Plaines. http://www.altondailynews.com/news/details.cfm?clientid=17&id=132519#.U6rCybG8Scx