Walker County is in Houston Texas. Of the 254 counties in the Lone Star State, Walker County ranks 204th in terms of size (801 square miles). The most common type of land for sale by combined acreage in Walker County is undeveloped land. Browse all waterfront property for sale in Walker 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 Upper Gulf Coast is generally used to refer to the Houston area and its surrounding counties, with a distinct climate and demography from the coastal counties of East and South Texas.