Union County is in Eastern Oregon. Of the 36 counties in the Union State, 2,038-square-mile Union County ranks 17th by size. There is almost 2,000 acres of farms for sale in Oregon's Union County based on recent Land Network data. The combined market value of farms and ranches for sale here is approximately $5 million. The average price of farmland for sale in Union County was $1 million. Farms for sale in Union 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 business or individual needs.