Smithfield is a town in Isle of Wight County, in the South Hampton Roads subregion of the Hampton Roads region of Virginia in the United States. The town is most famous for the curing and production of the Smithfield ham. The Virginia General Assembly passed a statute defining "Smithfield ham" by law in 1926, with one of the requirements that it be processed within the town limits. Currently, Smithfield Foods, a Fortune 500 Company that owns Smithfield Packing Company and others, is the worlds largest pork processor and hog producer. The company, based in Smithfield, raises 12 million and processes 20 million hogs annually.According to the United States Census Bureau, the town has a total area of 10.4 square miles (27.1 Square Kilometer), of which 9.5 square miles (24.7 Square Kilometer) is land and 0.9 square miles (2.4 Square Kilometer) (8.80%) is water.