North Texas generally refers to the counties in the north-central part of the state, excluding those in the Texas Panhandle. It covers the metro areas of Dallas-Fort Worth and Wichita Falls and their surrounding counties. It is the state's most populous region. The value of all land for sale in Texas's Dallas County recently was almost $1 billion, representing a total of 4,744 acres of land for sale in Dallas County. Dallas County ranks 37th out of 254 counties in the state for the combined amount of land currently advertised for sale. Dallas featured the most land for sale. Dallas County is Texas's 147th largest county (908 square miles). It's located in the Dallas Prairie Texas region of Texas.