Benton County is in Northwest Oregon. Of the 36 counties in the Beaver State, 678-square-mile Benton County ranks 34th by size. The total value of around 1,000 acres of timberland recently listed for sale in Oregon's Benton County was $2 million. The average price of planted forestland for sale in Benton County was $451,500. Browse all Oregon forest and timberland for sale on the Land Network to find the right timberland acreage for your commercial or individual investment needs.