Of 36 counties in the Union State, Polk County is 30th in terms of its size (744 square miles). Polk County is in Northwest Oregon. Recent Land Network data records roughly 1,000 acres of recreational land for sale in Oregon's Polk County, which is valued at a combined $1 million. Browse all recreational property for sale in Polk 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 Polk County is residential property.