The value of all land for sale in South Dakota's Hanson County recently was nearly $2 million, representing a combined 245 acres of land for sale in Hanson County. Hanson County ranks 47th out of 66 counties in the Mount Rushmore State for the total acreage of land currently advertised for sale. Of all locations in Hanson County with farms and ranches for sale, Spencer had the most land for sale. Its economy is defined as agricultural, with 370 farms recorded in the county during the most recent U.S. Census. Farming activities in Hanson County generate annual revenues of $15 million, most of which is from crops. Hanson County is South Dakota's 64th biggest county (435 square miles). It's located in the Southeast South Dakota region of South Dakota.