The overall value of ranches, farms, hunting land and other rural land and acreage for sale in South Dakota's Sanborn County recently on Land.com was nearly $400,000. This represents around 1,000 acres of farms, ranches, hunting land and other land for sale in Sanborn County. Sanborn County ranks 51st out of 66 counties in South Dakota for the total acreage of land currently advertised for sale. Of all land for sale in Sanborn County, Forestburg featured the most land for sale. Sanborn County has a large agricultural economy, with 402 farms recorded in the county during the latest U.S. Census. Farming activities in Sanborn County generate annual revenues of $12 million, most of which is from crops. Sanborn County is South Dakota's 56th largest county (570 square miles). It's located in the Glacial Lakes & Prairies South Dakota region of South Dakota.