90 million living 83.3 million dogs lived in U.S. households www.statista.com 78 million dogs up 30% since 2000 78 million dogs lived in homes across the U.S. 78 million in the United States alone 90 million nearly 90 million pet dogs pets Statista, 89.7 million dogs one dog for every 4 humans 78 million dogs 89 million 89.7 million dogs nearly 90 million 90 million 89 million 90 million 78 million in the United States alone 89.7 million dogs 89.7 million dogs up 30% since 2000 78 million in the United States alone 78 million in the United States alone 89.7 million 78 million dogs in the U.S. 78 million in the United States alone 78 million in the United States alone 90 million pet dogs nearly 90 million pet dogs Statista 78 million dogs 78 million in the United States alone up 30% since 2000