Union County is in Piedmont North Carolina. Of the 100 counties in the Tar Heel State, Union County is 26th in terms of its size (639 square miles). The total value of about 1,000 acres of farms recently listed for sale in North Carolina's Union County was around $6 million. The average price of farms for sale in Union County was $562,540. Farms for sale in Union County hold livestock including horses, cattle, goats, sheep and pig. 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 individual needs.