The value of all land for sale in Cassia County, Idaho, recently was almost $40 million, representing a total of 4,511 acres of land for sale in Cassia County. Cassia County ranks 31st in the Gem State for the total acreage of land currently advertised for sale. Among cities in Cassia County with land and rural real estate for sale, Burley had the most land for sale. Its economy is defined as agricultural, with 668 farms recorded in the county during the most recent U.S. Census. Farming activities in Cassia County generate annual revenues of $20 million, the majority of which comes from livestock products. Cassia County is one of the ten biggest counties in Idaho (2,580 square miles). It's located in the South Central Idaho region of Idaho.