9. Pennsylvania
Horse Population: 255,763
Horses per square mile: 5.7
Number of People/Horses: 48.5
At number 9 position in our list of states that produce the most horses in America we have Pennsylvania. The horse industry in Pennsylvania is pretty robust and thriving. Pennsylvanian horses have made a name for themselves throughout the country for their stamina and power. As you can see, Pennsylvania managed to beat Colorado just by a couple of hundred horses. The margin was pretty slim indeed. You could call it a horserace. It is estimated that the Pennsylvania economy is heavily reliant on the horse industry, if you wish to read more on the matter, you can click here.
