Of 66 counties in the Coyote State, Pennington County ranks third in terms of size (2 million acres). Pennington County is in the Black Hills & Badlands South Dakota region. Pennington County, South Dakota, includes approximately 1,000 acres of ranches for sale based on recent Land Network data. The combined market value of land for sale here was nearly $5 million. The average price of ranches for sale in Pennington County was $3 million. Browse all South Dakota ranches for sale on the Land Network to find the ranch that's right for your business or commercial needs, from the sprawling legacy ranch to unbelievable residential ranch for your second home, investment property or retirement nest egg.