There was a combined approximately $317 million of ranches, farms, hunting land and other rural land and acreage for sale in Bannock County, Idaho, recently on Land.com. The total size of all Bannock County land and rural real estate for sale was almost 100,000 acres. Bannock County ranks fourth in Idaho based on the total amount of acres of land for sale among the 44 counties in Idaho. Of all land and rural real estate for sale in Bannock County, Pocatello featured the most land for sale. From an economic perspective, government and state-level services contribute most to Bannock County's overall GDP. Bannock County is Idaho's 27th biggest county (1,148 square miles). It's located in the Southeastern Idaho region of Idaho.