The value of all land for sale in Turner County recently was nearly $8 million, representing a combined 303 acres of land for sale in Turner County. Turner County ranks 18th out of 66 counties in the state for the total acreage of land currently advertised for sale. Viborg featured the most land for sale. Agriculture and farming drives the Turner County economy, with 794 farms recorded in the county during the U.S. Census in 2012. Farming activities in Turner County generate annual revenues of $53 million, most of which is from crops. Turner County is South Dakota's 50th largest county (617 square miles). It's located in the Southeast South Dakota region of the state.