Sometimes confused with the city of Austin, Austin County expands over an area of 656 square miles. The county, though quaint, offers a host of natural amenities to its 29,563 residents. Stephen F. State Park, for example, features a 6-mile trail fit for hiking and biking. The park extends over 663 square acres, allowing residents to explore as they discover the park's hidden gems. In addition, the park also offers lodging and camping areas for those who wish to turn the park into an overnight experience. Of 254 counties in the Lone Star State, Austin County is 229th in terms of its size (656 square miles). Austin County is in Houston Texas. The total value of almost 1,000 acres of riverfront land recently listed for sale in Texas's Austin County was about $3 million. Browse all waterfront property for sale in Austin 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 Austin County is house.