1. Iowa
Number of pigs and hogs – 20,100
The numbers show that Iowa is not only the biggest pork producer, but that its production is much higher than that of the second state on the list. The company with the highest pork production is situated in this state and it has kept the first place for quite a long time. All of these facts prove that Iowa deserves the first place on the list of 10 states that produce the most pork in America.