A combined around 6,000 acres were listed for sale in Columbia County recently; the overall value of all Columbia County ranches, farms, hunting land and other rural land and acreage for sale was almost $34 million. Columbia County ranks 50th out of 75 counties in the state for the combined amount of land currently advertised for sale. Of all farms and ranches for sale in Columbia County, Magnolia featured the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Columbia County. Columbia County is Arkansas's 22nd biggest county (766 square miles). It's located in the Timberlands Arkansas region of the state.