NULL Of 254 counties in the Lone Star State, Ellis County ranks 98th by size (951 square miles). Ellis County is in Dallas Prairie Texas. There is about 2,000 acres of riverfront property for sale in Ellis County, Texas, based on recent Land Network data. The combined market value of land and rural real estate for sale here is nearly $9 million. Browse all waterfront property for sale in Ellis 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 Ellis County is house.