Mahaska County is in Central Iowa. Of the 99 counties in the Wrestling State, Mahaska County is 44th in terms of its size (573 square miles). Iowa's Mahaska County includes about 1,000 acres of residential land for sale based on recent Land Network data. The combined market value of farms and ranches for sale here was roughly $10 million. The average price of residential acreage for sale in Mahaska County was $444,618. Browse all residential land and rural property for sale in Iowa 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.