Irwin County is in Historic South Georgia. Of the 159 counties in the Peach State, Irwin County ranks 72nd in terms of size (362 square miles). Recent listings of residential land and property for sale in Georgia's Irwin County totals roughly 1,000 acres and a combined market value of approximately $3 million. The most common type of land for sale by combined acreage in Irwin County is house. The average price of residential land for sale in Irwin County was $306,095. The economy here is mainly agricultural. Browse all residential land and rural property for sale in Georgia to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.