Milwaukee County is in Southeast Wisconsin. Of the 72 counties in the Badger State, 1,189-square-mile Milwaukee County ranks 14th by size. Wisconsin's Milwaukee County has 1,000 acres of residential land for sale based on recent Land Network data. The combined market value of farms and rural land for sale here was almost $21 million. The average price of residential land for sale in Milwaukee County was $935,628. Browse all residential land and rural property for sale in Wisconsin 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.