Of 66 counties in the Coyote State, 2 million-acre Pennington County ranks third by size. Pennington County is in the Black Hills & Badlands South Dakota region. Recent listings of timberland for sale in Pennington County, South Dakota, totals roughly 1,000 acres and a combined market value of almost $2 million. The most common type of land for sale by combined acreage in Pennington County is residential property. The average price of timberland for sale in Pennington County was $736,450. Browse all South Dakota forest and timberland for sale on the Land Network to find the right timberland acreage for your commercial or individual investment needs.