The village of Chatham is located in the county of Sangamon. It covers a total area of 14.8 sq. km. Industries related to advertising, arts and crafts, automotive, boat equipments, construction, apparel, information technology, freight forwarding, health, industrial and commercial machinery, metal, real estate and publishing, contribute to the economy. Commercial spaces are utilized by public libraries, parks, restaurants, road side services, campgrounds, service station and wine shops.