The city of Decatur is located in the County of DeKalb. It covers a total area of 11.0 sq. km. The economic development of the city revolves around industries involved in advertising, agriculture, arts and crafts, automotive, construction, cleaning, textiles, information technology, courier, pharmaceuticals, freight forwarding and transport. Commercial spaces are utilized by toy stores, thrift shops, continental restaurants, art schools, gas stations, fraternal clubs and drug stores.