Boise County is in Southwestern Idaho. Of the 44 counties in the Gem State, 1,906-square-mile Boise County ranks 15th by size. A recent survey of Land Network data records roughly 1,000 acres of recreational land for sale in Idaho's Boise County, which is valued at a combined $5 million. The average price of recreational land for sale in Boise County was $654,312. Browse all recreational property for sale in Idaho to find the recreational tract that suits your lifestyle needs, from hunting and fishing properties for the outdoor enthusiast to undeveloped acreage ready for future residential-property development.