The total value of farms and ranches for sale in Boise County recently on Land.com was $134 million. This represents nearly 5,000 acres of farms and ranches for sale in Boise County. Boise County ranks eighth in the Gem State for the combined amount of land currently advertised for sale. There were three properties listed as sold in Boise County through the Land Network Comparable Sales Program. This represented a total value of $10,500. Among cities in Boise County with farms and ranches for sale, Garden Valley had the most land for sale. From an economic perspective, government and state-level services contribute most to Boise County's overall GDP. Boise County is Idaho's 15th largest county (1,906 square miles). It's located in the Southwestern Idaho region of the state.