A total of nearly 1,000 acres were listed for sale in Pennsylvania's Union County recently, representing a total value of approximately $12 million in Union County farms, rural land, hunting land and other land for sale. Union County ranks 60th in the Keystone State for the total number of acres of land currently advertised for sale. Among cities in Union County with farms and rural land for sale, Lewisburg featured the most land for sale. From an economic perspective, government and state-level services contribute most to Union County's overall GDP. Union County is the 64th biggest county (317 square miles) in Pennsylvania. It's located in the Alleghenies & Valleys Pennsylvania region of Pennsylvania.