Union County is in Eastern Oregon. Of the 36 counties in the Union State, 1 million-acre Union County ranks 17th by size. Recent listings of farms for sale in Union County, Oregon, totals about 2,000 acres and a combined market value of approximately $5 million. The most common type of land for sale by combined acreage in Union County is house. 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 commercial or lifestyle needs.