A total of 3,000 acres were listed for sale in Arkansas's Sebastian County recently, representing a combined almost $103 million in Sebastian County land and rural real estate for sale. Sebastian County ranks 23rd out of 75 counties in the Natural State for the total number of acres of land currently advertised for sale. Of all ranches, farms, hunting land and other rural land and acreage for sale in Sebastian County, 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 Arkansas's 74th largest county (547 square miles). It's located in the River Valley Arkansas region of Arkansas.