There was a total of $114 million of farms and ranches for sale in South Dakota's Custer County recently on Land.com. The total size of all Custer County farms, ranches, hunting land and other land for sale was around 6,000 acres. Custer County ranks third in the state based on the combined acreage of land for sale of all the counties in South Dakota. There were six properties listed as sold in Custer County through the Land Network Comparable Sales Program. This represented a total value of $4,860,750. Of all ranches, farms, hunting land and other rural land and acreage for sale in Custer County, Custer featured the most land for sale. From an economic perspective, government and state-level services contribute most to Custer County's overall GDP. Custer County is the 16th biggest county (1,559 square miles) in South Dakota. It's located in the Black Hills & Badlands South Dakota region of the state.