The value of all ranches, farms, hunting land and other rural land and acreage for sale in Johnson County, Arkansas, recently was almost $85 million, representing a combined 4,126 acres of land for sale in Johnson County. Johnson County ranks 27th out of 75 counties in the state for the total number of acres of land currently advertised for sale. Among cities in Johnson County with farms, ranches, and rural real estate for sale, Clarksville had the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Johnson County. Johnson County is Arkansas's 33rd largest county (682 square miles). It's located in the River Valley Arkansas region of Arkansas.