NULL Of 254 counties in the state, Milam County is 76th in terms of its size (1,021 square miles). Milam County is in Blacklands South Texas. Recent Land Network data records around 1,000 acres of riverfront property for sale in Texas's Milam County, which is valued at a combined $11 million. Browse all waterfront property for sale in Milam 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 Milam County is undeveloped land.