(Undated) — U.S. News and World Report says the most popular dog in Utah is the Goldendoodle. An analysis of data about dog ownership in each state found the cross between a poodle and a Golden retriever was the most popular breed in the Beehive State. It’s also the sixth-most popular breed nationally. The Chihuahua, the Shih Tzu, the Golden retriever and the French bulldog were also among the most popular breeds in Utah.