The US population of horses is much more wide spread then the previous answer allows for. According to the US Department of Agriculture and other sources the world equine population is close to 58 million animals and the US has about 5.25 million. Mexico has a million more then the US and China leads the world in horses. The US horse population by state is as follows:
Fifteen additional states have inventories of 100,000 or more animals. The Amish must account for some of Pennsylvania's lead over Kentucky just as the trophy draft horses of Minnesota show their numbers. Where Kentucky does show a unique lead is in the dollar value of their animals since it leads the US in the 1.75 billion dollars worth of horses and other equines that are bought and sold each year. The pinto, mustang, plowhorses, Walkers, quarterhorse, Arabians and Appaloosa just don't match the value of the hot-blooded thoroughbreds that were created just for the fast pace of the Downs.
Chat with our AI personalities
The Kentucky Derby is now limited to 20 horses. Before a limit was put in place, the most horses that ran in the Derby was 23 in 1974, the 100th anniversary of the Run for the Roses.