Mills County is in Western Iowa. Of the 99 counties in the Wrestling State, Mills County is 80th in terms of its size (282,010 acres). The most common type of land for sale by combined acreage in Mills County is undeveloped land. Browse all waterfront property for sale in Mills 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!