There was a combined almost $29 million of ranches, farms, hunting land and other rural land and acreage for sale in Columbia County, Arkansas, recently on Land.com. The total acreage of all Columbia County ranches, farms, hunting land and other rural land and acreage for sale was around 3,000 acres. Columbia County ranks 47th out of 75 counties in the Land of Opportunity for the total number of acres of land currently advertised for sale. Of all land and rural real estate for sale in Columbia County, Magnolia had the most land for sale. Manufacturing and related services are the largest economic sectors in Columbia County. Columbia County is Arkansas's 22nd largest county (766 square miles). It's located in the Timberlands Arkansas region of Arkansas.