A combined approximately 4,000 acres were listed for sale in Union County, Arkansas, recently; the combined value of all Union County ranches, farms, hunting land and other rural land and acreage for sale was around $32 million. Union County ranks 39th out of 75 counties in the Wonder State for the total number of acres of land currently advertised for sale. There were two properties listed as sold in Union County through the Land Network Comparable Sales Program. This represented a total value of $3,900. Of all locations in Union County with farms, ranches, and rural real estate for sale, El Dorado featured the most land for sale. Economically speaking, Union County's is largely dependent on mining and mineral extraction-related businesses and services. Union County is the largest county in Arkansas (1,055 square miles). It's located in the Timberlands Arkansas region of the state.