Of 159 counties in the Peach State, Calhoun County is 108th in terms of its size (283 square miles). Calhoun County is in Southern Rivers Georgia. The total value of almost 2,000 acres of undeveloped land recently listed for sale in Calhoun County, Georgia, was roughly $7 million. Browse all Calhoun County undeveloped acreage for sale on the Land Network to find your next commercial property or land investment. The most common type of land for sale by combined acreage in Calhoun County is hunting land.