Of 99 counties in the Wrestling State, Madison County is 61st in terms of its size (562 square miles). Madison County is in Central Iowa. There is 1,000 acres of riverfront homes and property for sale in Iowa's Madison County based on recent Land Network data. The combined market value of ranches, farms, hunting land and other rural land and acreage for sale here is nearly $500,000. Browse all waterfront property for sale in Madison 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 Madison County is undeveloped land.