Almost 1 in 3
The chance that the hot dogs and pork sausages consumed on the Fourth of July originated in Iowa. The Hawkeye State was home to 19.7 million hogs and pigs on March 1, 2012. This estimate represents almost one-third of the nation's estimated total. North Carolina (8.6 million) and Minnesota (7.6 million) were also homes to large numbers of pigs. In the photo above, Joey Chestnut poses at the official weigh-in ceremony for the Fourth of July International Hot Dog Eating Contest in 2007.