The value of land and rural real estate for sale in Campbell County, South Dakota, recently on Land.com was almost $10 million. This represents around 2,000 acres of farms and ranches for sale in Campbell County. Campbell County ranks 32nd out of 66 counties in the Coyote State for the total acreage of land currently advertised for sale. Of all locations in Campbell County with land for sale, Pollock had the most land for sale. Agriculture and farming drives the Campbell County economy, with 242 farms recorded in the county during the U.S. Census in 2012. Farming activities in Campbell County generate annual revenues of $4 million, most of which is from crops. Campbell County is South Dakota's 44th biggest county (770 square miles). It's located in the Great Lakes South Dakota region of South Dakota.