Columbia County is in Southwest Wisconsin. Of the 72 counties in the state, Columbia County is 41st in terms of its size (795 square miles). The total value of 1,000 acres of residential land recently listed for sale in Columbia County, Wisconsin, was nearly $26 million. The average price of residential land for sale in Columbia County was $559,930. 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.