Louisa County is in Eastern Iowa. Of the 99 counties in the Cyclone State, 417-square-mile Louisa County ranks 94th by size. The total value of 1,000 acres of residential land and property recently listed for sale in Louisa County, Iowa, was roughly $6 million. The average price of residential acreage for sale in Louisa County was $297,838. 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.