Located in West Arizona, 5,519-square-mile Yuma County is one of the ten biggest counties in the Copper State. A recent survey of Land Network data shows nearly 1,000 acres of residential land and property for sale in Arizona's Yuma County, which is valued at a combined $9 million. The average price of residential acreage for sale in Yuma County was $398,490. Browse all residential land and rural property for sale in Arizona to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.