The value of all farms and ranches for sale in Faulk County, South Dakota, recently was almost $800,000, representing a total of 10 acres of land for sale in Faulk County. Faulk County ranks 29th in the Coyote State for the total number of acres of land currently advertised for sale. Faulkton had the most land for sale. Faulk County has a large agricultural economy, with 280 farms recorded in the county during the latest U.S. Census. Farming activities in Faulk County generate annual revenues of $14 million, most of which is from crops. Faulk County is the 31st largest county (1,005 square miles) in South Dakota. It's located in the Glacial Lakes & Prairies South Dakota region of South Dakota.