A total of almost 1,000 acres were listed for sale in Illinois's Macon County recently; the combined value of all Macon County land and rural real estate for sale was around $20 million. Macon County ranks 26th in the Prairie State for the total number of acres of land currently advertised for sale. Of all farms and rural real estate for sale in Macon County, Decatur featured the most land for sale. Manufacturing and related services are the largest economic sectors in Macon County. Macon County is the 40th biggest county (585 square miles) in Illinois. It's located in the Central Illinois region of Illinois.