Custer County is in Black Hills & Badlands South Dakota. Of the 66 counties in the Coyote State, 997,800-acre Custer County ranks 16th by size. Recent Land Network data includes about 1,000 acres of farms for sale in South Dakota's Custer County, which is valued at a combined $7 million. The average price of farms for sale in Custer County was $1 million. Farms for sale in Custer County feature livestock including horses, cattle, goats, pig and sheep. Browse all South Dakota farms for sale on the Land Network to find the farm, cattle operation, hobby farm or other farm property that's right for your future commercial or individual needs.