Of 99 counties in the state, Louisa County ranks 94th in terms of size (417 square miles). Louisa County is in Eastern Iowa. There is roughly 1,000 acres of riverfront land and property for sale in Louisa County, Iowa, based on recent Land Network data. The combined market value of farms and ranches for sale here is $500,000. Browse all waterfront property for sale in Louisa County on the Land Network to find the marina, lakefront and other recreational property that meets your needs, from waterside land perfect as a retirement investment to existing residential waterfront land and property for hunting, fishing and other outdoor-recreation pursuits! The most common type of land for sale by combined acreage in Louisa County is house.