CNN said 82.5 million U.S. households had pets in 2012 and $55.53 billion is expected to be spent on pets by U.S. residents in 2013.
A 2011 survey suggested 63.2 percent of pet owners in 2011 considered their pets to be members of the family.
The network said 70 percent of respondents in a 2006 Gallup poll identified themselves as "dog people." Twenty percent said they prefer cats.
However, there were 70 million pets dogs in the United States in 2012, compared with 74.1 million pet cats the same year.