Allen County is in Wooded Hills Kansas. Of the 105 counties in the Wheat State, Allen County ranks 97th in terms of size (505 square miles). Kansas's Allen County has almost 1,000 acres of residential land for sale based on recent Land Network data. The combined market value of ranches, farms, hunting land and other rural land and acreage for sale here was nearly $6 million. The average price of residential land for sale in Allen County was $194,821. Browse all residential land and rural property for sale in Kansas 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.