Stretching out over 1,583 square miles is Hidalgo County, Texas. Home to over 842,000 residents, the tremendous county is known as the eighth most populous county in the state. Located in the Rio Grande Valley of South Texas, the county offers various state parks and wildlife centers. The expansive county offers both protected centers for wildlife while also providing other areas for hunting. Featuring cities like McAllen, Alamo, and Edinburg, there's never a shortage of amenities to explore. Land for sale in Hidalgo County recently totaled almost $465 million and appromixately 25,900 acres. Hidalgo County ranks 17th in Texas for the combined amount of land currently advertised for sale. There were three properties listed as sold in Hidalgo County in April through the Lands of America Comparable Sales Program. This represented a total value of $290,000. Hidalgo County is Texas 's 18th biggest county (1,583 square miles). Hidalgo County is in the South Texas region of Texas. Edinburg had the most land for sale.