Slowest Growing City Is In Illinois – Decatur, IL – Several other Illinois towns were also among those growing at slow pace. Source by cherylmumin Facebook Twitter Previous post Shoppers World Discount Store, Community Discount Store, Zayre, Super K Center (Kmart) and Home Depot all occupied 6211 Lincoln Avenue at McCormick Boulevard and Devon Avenue in Chicago, Illinois. Next post South Park at N Water St Decatur Illinois. Looking southeast. Central Park us on… Leave a Reply Cancel ReplyName * Email * Website Save my name, email, and website in this browser for the next time I comment.