There was a total of $129 million of farms, ranches, hunting land and other land for sale in Arkansas's Sebastian County recently on Land.com. The total size of all Sebastian County ranches, farms, hunting land and other rural land and acreage for sale was almost 3,000 acres. Sebastian County ranks 24th out of 75 counties in the Natural State for the total acreage of land currently advertised for sale. Of all locations in Sebastian County with land for sale, Fort Smith had the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Sebastian County. Sebastian County is the 74th biggest county (547 square miles) in Arkansas. It's located in the River Valley Arkansas region of the state.