The Texas Panhandle gets its name for its proximity to the handle-shaped portion of its neighbor, Oklahoma. It is the state's least populated region. Land for sale in Texas's Castro County recently totaled approximately $21 million and 100,000 acres. Castro County ranks 211th out of 254 counties in the Lone Star State for the total acreage of land currently advertised for sale. Dimmitt had the most land for sale. Agriculture and farming drives the Castro County economy, with 532 farms recorded in the county during the U.S. Census in 2012. Farming activities in Castro County generate annual revenues of $15 million, the majority of which comes from livestock products. Castro County is the 169th largest county (899 square miles) in Texas. It's located in the Panhandle Texas region of the state.