Union County is in Piedmont North Carolina. Of the 100 counties in the Tar Heel State, Union County ranks 26th in terms of size (639 square miles). North Carolina's Union County has about 1,000 acres of farms for sale based on recent Land Network data. The combined market value of farms, rural land, hunting land and other land for sale here was about $5 million. The average price of farmland for sale in Union County was $564,044. Farms for sale in Union County feature livestock including cattle, horses, pig, goats and sheep. Browse all North Carolina 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.