Columbia County is in Northwest Oregon. Of the 36 counties in the Beaver State, 688-square-mile Columbia County ranks 33rd by size. Columbia County, Oregon, has nearly 1,000 acres of farms for sale based on recent Land Network data. The combined market value of farms, ranches, hunting land and other land for sale here was $5 million. The average price of farmland for sale in Columbia County was $1 million. Farms for sale in Columbia County feature 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 commercial or individual needs.