There are more quarter horses in the United States than any other horse breed, largely because they are so affordable. In fact, there are 263,523 quarter horses, more than five times the number of any other breed.
Paint horses number around 50,000. Paints are followed by Arabians at 22,500, standardbreds at 17,500, Appaloosas at 12,000, pintos at 7,000, saddlebreds at 6,500 and Tennessee walkings at 6,000.
Miniature horses are also popular.