Land for sale in Faulk County, South Dakota, recently totaled around $2 million and approximately 1,000 acres. Faulk County ranks 40th out of 66 counties in South Dakota for the total acreage of land currently advertised for sale. Of all locations in Faulk County with farms and ranches for sale, Faulkton featured the most land for sale. Its economy is defined as agricultural, with 280 farms recorded in the county during the most recent U.S. Census. Farming activities in Faulk County generate annual revenues of $14 million, most of which is from crops. Faulk County is South Dakota's 31st largest county (1,005 square miles). It's located in the Glacial Lakes & Prairies South Dakota region of the state.