The market value of land recently available for sale in Idaho's Southwestern region is almost $2 billion. The region ranks first in the state by total land value. Idaho's Southwestern region also ranks first in the state based on total listing acreage compared to other areas of the state. Of the 77,000 acres of land for sale in the Southwestern region, Idaho, Adams County has the most land and rural real estate for sale in the Southwestern region of Idaho. Based on data from the Land Network Comparable Sales program, Boise County recorded the most recent sales activity. Looking for more land and rural real estate for sale in Idaho? Browse the Land Network for thousands more available land listings and rural real estate for sale throughout the state.