Of 36 counties in the Beaver State, Multnomah County is 36th in terms of its size (465 square miles). Multnomah County is in Portland Metro Oregon. There is roughly 1,000 acres of recreational land for sale in Oregon's Multnomah County based on recent Land Network data. The combined market value of ranches, farms, hunting land and other rural land and acreage for sale here is almost $800,000. Browse all recreational property for sale in Multnomah County 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. The most common type of land for sale by combined acreage in Multnomah County is residential property.