Gregory County is in Great Lakes South Dakota. Of the 66 counties in the state, Gregory County is 30th in terms of its size (674,254 acres). There is about 3,000 acres of farms for sale in South Dakota's Gregory County based on recent Land Network data. The combined market value of farms, ranches, hunting land and other land for sale here is $10 million. The average price of farms for sale in Gregory County was $1 million. The economy here is principally agricultural. Farms for sale in Gregory County feature livestock including cattle and horses. 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 business or lifestyle needs.