A bar chart showing the share of households that own dogs, and how many dogs they have, in the 15 largest U.S. metro areas. Riverside, Calif. is #1, with 46% of households owning dogs, followed by Phoenix (43%) and Dallas (41%). New York City households own the fewest dogs, at 22%. In general, roughly two thirds of households that own dogs have only one, and one third have two or more.