Benton County is in Northwest Oregon. Of the 36 counties in the Beaver State, Benton County is 34th in terms of its size (434,029 acres). A recent survey of Land Network data totals 1,000 acres of farms for sale in Oregon's Benton County, which is valued at a combined $9 million. The average price of farmland for sale in Benton County was $1 million. Farms for sale in Benton County hold livestock including cattle, horses, sheep, goats and pig. Browse all Oregon 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.