Washington County, Idaho Mountain Land For Sale

Land for sale in Washington County, Idaho, recently totaled nearly $48 million and almost 9,000 acres. Washington County ranks 38th out of 44 counties in the Gem State for the combined amount of land currently advertised for sale. Weiser featured the most land for sale. Washington County is Idaho's 20th biggest county (1,473 square miles). It's located in the Southwestern Idaho region of Idaho.