Kootenai County is in Northern Idaho. Of the 44 counties in the Gem State, 837,756-acre Kootenai County ranks 23rd by size. A recent survey of Land Network data totals almost 1,000 acres of timberland for sale in Idaho's Kootenai County, which is valued at a combined $1 million. The average price of timberland for sale in Kootenai County was $259,980. Browse all Idaho forest and timberland for sale on the Land Network to find the right timberland acreage for your commercial or individual investment needs.