The value of all land for sale in South Dakota's McCook County recently was nearly $10 million, representing a total of 672 acres of land for sale in McCook County. McCook County ranks 18th out of 66 counties in the Coyote State for the total acreage of land currently advertised for sale. Among cities in McCook County with farms and ranches for sale, Canistota featured the most land for sale. Its economy is defined as agricultural, with 568 farms recorded in the county during the most recent U.S. Census. Farming activities in McCook County generate annual revenues of $39 million, most of which is from crops. McCook County is South Dakota's 53rd largest county (576 square miles). It's located in the Southeast South Dakota region of the state.