The value of all farms and ranches for sale in Gregory County recently was approximately $10 million, representing a total of 1,936 acres of land for sale in Gregory County. Gregory County ranks 31st out of 66 counties in the Coyote State for the combined amount of land currently advertised for sale. Of all locations in Gregory County with land and rural real estate for sale, Gregory featured the most land for sale. Gregory County has a large agricultural economy, with 505 farms recorded in the county during the latest U.S. Census. Farming activities in Gregory County generate annual revenues of $14 million, the majority of which comes from livestock products. Gregory County is the 30th biggest county (1,053 square miles) in South Dakota. It's located in the Great Lakes South Dakota region of South Dakota.